Boss coffee is a Japanese canned coffee brand from Suntory, popular for its ready-to-drink black and milk coffees. It is a staple of Japanese vending machines.

What does Boss coffee taste like?

Boss Black Coffee tastes bold and unsweetened, while Suntory Boss Rainbow Mountain Milk Coffee tastes creamy and sweet. Both have a smooth, mellow canned-coffee flavor.

Is Boss Black Coffee sweetened?

Boss Black Coffee Can is a black coffee sold as unsweetened, with no milk. Check the ingredient list on the can to confirm.

What is the difference between Boss Black Coffee and Boss Rainbow Mountain Milk Coffee?

Boss Black Coffee is black and unsweetened, while Suntory Boss Rainbow Mountain Milk Coffee is a sweetened milk coffee in a 6 fl oz can. Choose black for a strong drink, or milk coffee for a sweeter drink.

Can I drink Boss coffee hot or cold?

Yes, Boss coffee can be served chilled or warmed in a pot. Do not heat the can directly in a microwave.

How should I store Boss coffee?

Boss coffee cans should be stored in a cool, dry place and refrigerated before serving if you prefer it cold. Follow the best-by date on the can.

What are similar Japanese canned coffees?

Similar canned coffees include UCC Black Coffee Drink Unsweetened, UCC Coffee with Milk and UCC Caffe Latte. Weee! also lists Mr. Brown canned coffees.

Where can I buy Boss coffee near me?

Weee! carries Boss Black Coffee Can (single and 12-pack) and Suntory Boss Rainbow Mountain Milk Coffee Can. Weee! delivers Asian and Hispanic groceries to your door in many U.S. areas; enter your ZIP code at weee.com to see availability and delivery options.

Asian American store with free delivery available*

Where to buy boss coffee near me?

*Orders above $35, varies by region

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Top 5 products for Boss Coffee

#1

Boss Black Coffee Can 8 fl.oz

Boss Black Coffee Can is an 8 fl oz can of Japanese black coffee. Drink chilled or warmed for a bold, unsweetened pick-me-up.

$2.69 - $3.79

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Queen of the Universe
Excellent quality coffee. Very good roast.
링
It tastes just like cold brew~
Weeeee
a little burnt taste and bitter for my liking.
JJ
It tastes even better because it's cold brew haha
bobbyliang111
Try it first
MNM
Not bad, not bad, a good product
claygogo
I don't drink coffee well, so I can't drink bitter Americano, but this is smooth and drinkable even to me. I just wish the price was a little cheaper.
siqi_wang6
gooodddddd！
SydneyWilliams
Smooth, strong taste. I pour the coffee over ice but it’s good from the can!
AC90
fresh ice coffee taste. love boss coffee!

#2

Suntory Boss Rainbow Mountain Milk Coffee Can (Sweetened) 6 fl.oz

Suntory Boss Rainbow Mountain Milk Coffee Can is a 6 fl oz sweetened milk coffee. A creamy, sweet canned coffee served cold or warm.

$3.29

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Gimcheng
Nice little can of coffee. Not too sweet and to my liking.
Klinkmtl
A treat for a walk down memory lane.
Courtney
Tommy leee jones was right this is yummy
Eggsalad
It's small, but it's quite good
lu.1714
Small sweet coffee, good choice for short-term charging
weee.11631065
My favorite Japanese coffee to drink!!
Tyler
very good will definitely get again
IsmaelMunoz
Amazing coffee! Been craving it since I left Japan.
MobiOrderyum
One of the more flavorful coffees I've had. It was mildly sweet and I was able to detect hints of fruit in the bean, really nice coffee when you're looking for something light to hit the spot!
Tom
The coffee series of Boss are very delicious, especially the Rainbow Mountain blend coffee, which tastes very good. The price bought on this platform is very cost-effective, and I stocked up on 12 bottles!

#3

Boss Black Coffee Can 8 fl.oz*12 pack

Boss Black Coffee Can in a 12-pack of 8 fl oz cans. A larger pack for regular drinkers or stocking up on Japanese canned coffee.

$30.66 - $39.78

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#4

UCC Black Coffee Drink, Unsweetened 9.7 fl.oz

UCC Black Coffee Drink, Unsweetened, is a 9.7 fl oz canned black coffee from another Japanese coffee brand. A good alternative for unsweetened coffee.

$2.69 - $3.99

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Eivila
I bought this after seeing the introduction for the first time, and I love it!
jojo0805
I love the aroma of this coffee; black coffee is so refreshing to drink.
YYSWeee！
The Japanese-style black coffee is fragrant and rich; the coffee flavor is very strong and quite good.
Ya Ya
UCC Canned Black Coffee 9.7 fl oz This black coffee is aromatic, smooth, sugar-free, milk-free, and convenient to carry.
JenReese
Black coffee is healthy, sugar-free and milk-free.
Johnny
good black coffee is an art
Ricky
It's a reasonable size and rich and delicious
weee.14202112
I bought this for my husband who likes black coffee; I hope he'll be satisfied!
Della
Delicious and convenient, apple smoothie, and super sweet young coconut.
tokyomama
This is the black coffee I used to drink a lot when I was in Japan. I'm looking forward to trying it again after so long!

#5

UCC Coffee with Milk 11.3 fl.oz

UCC Coffee with Milk is an 11.3 fl oz canned coffee with milk. A similar Japanese-style option if you like milk coffee.

$3.29 - $3.99

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weee.9323696
one of my favs
moomoo18162
very yummy
weee.7905784
My family loves it and we often repurchase it. A must-buy when it's on sale.
Chihuo
I've been wanting to drink this kind of coffee for a long time.
It goes well with both cool and warm.
Lin
Good not too sweet
Meari
Perfect for quick tasty ice coffee break!
weee.7905784
I will buy it again because of the special price
weee.14202112
Not bad! It's really delicious and I'm willing to buy it again
jrexboyer
This is delicious canned coffee. You might be tempted to put ice in it, but in my opinion, it is better undiluted and straight from the can. The cans are sometimes dented from shipping, but I haven't found that to affect the taste of freshness of the product.

$3.95
Suntory Premium Boss Black Coffee Unsweetened 390 gShips from Umaya

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Recent service reviews

Sept. 2024

Very good prices, delivery on times of any time I ordered . Good service. Good product. You can find anything's on Weee!

PriceDeliveryProduct Quality

Customer since 2018

Phoenix, AZ

Jun. 2024

I've hunted all over Connecticut for Asian groceries and they're difficult to find in my area. I love being able to order them on Weee!

Product Variety

Customer since 2020

Connecticut, CT

Apr. 2024

Great customer service. Experienced customer service who answers the phone could always solve problem efficiently.

Customer service

Customer since 2023

Washington DC

Jan. 2024

I really appreciate that you work hard to uphold standards of quality. I like the wide variety of products and the ease of shopping with you.

Product VarietyApp experience

Customer since 2020

Los Angeles, CA

Frequently asked questions

What is Boss coffee?
Boss coffee is a Japanese canned coffee brand from Suntory, popular for its ready-to-drink black and milk coffees. It is a staple of Japanese vending machines.
Is Boss Black Coffee sweetened?
Boss Black Coffee Can is a black coffee sold as unsweetened, with no milk. Check the ingredient list on the can to confirm.
Can I drink Boss coffee hot or cold?
Yes, Boss coffee can be served chilled or warmed in a pot. Do not heat the can directly in a microwave.
What are similar Japanese canned coffees?
Similar canned coffees include UCC Black Coffee Drink Unsweetened, UCC Coffee with Milk and UCC Caffe Latte. Weee! also lists Mr. Brown canned coffees.

What does Boss coffee taste like?
Boss Black Coffee tastes bold and unsweetened, while Suntory Boss Rainbow Mountain Milk Coffee tastes creamy and sweet. Both have a smooth, mellow canned-coffee flavor.
What is the difference between Boss Black Coffee and Boss Rainbow Mountain Milk Coffee?
Boss Black Coffee is black and unsweetened, while Suntory Boss Rainbow Mountain Milk Coffee is a sweetened milk coffee in a 6 fl oz can. Choose black for a strong drink, or milk coffee for a sweeter drink.
How should I store Boss coffee?
Boss coffee cans should be stored in a cool, dry place and refrigerated before serving if you prefer it cold. Follow the best-by date on the can.
Where can I buy Boss coffee near me?
Weee! carries Boss Black Coffee Can (single and 12-pack) and Suntory Boss Rainbow Mountain Milk Coffee Can. Weee! delivers Asian and Hispanic groceries to your door in many U.S. areas; enter your ZIP code at weee.com to see availability and delivery options.

Eivila
I bought this after seeing the introduction for the first time, and I love it!
jojo0805
I love the aroma of this coffee; black coffee is so refreshing to drink.
YYSWeee！
The Japanese-style black coffee is fragrant and rich; the coffee flavor is very strong and quite good.
Ya Ya
UCC Canned Black Coffee 9.7 fl oz This black coffee is aromatic, smooth, sugar-free, milk-free, and convenient to carry.
JenReese
Black coffee is healthy, sugar-free and milk-free.
Johnny
good black coffee is an art
Ricky
It's a reasonable size and rich and delicious
weee.14202112
I bought this for my husband who likes black coffee; I hope he'll be satisfied!
Della
Delicious and convenient, apple smoothie, and super sweet young coconut.
tokyomama
This is the black coffee I used to drink a lot when I was in Japan. I'm looking forward to trying it again after so long!
weee.9323696
one of my favs
moomoo18162
very yummy
weee.7905784
My family loves it and we often repurchase it. A must-buy when it's on sale.
Chihuo
I've been wanting to drink this kind of coffee for a long time.
It goes well with both cool and warm.
Lin
Good not too sweet
Meari
Perfect for quick tasty ice coffee break!
weee.7905784
I will buy it again because of the special price
weee.14202112
Not bad! It's really delicious and I'm willing to buy it again
jrexboyer
This is delicious canned coffee. You might be tempted to put ice in it, but in my opinion, it is better undiluted and straight from the can. The cans are sometimes dented from shipping, but I haven't found that to affect the taste of freshness of the product.
yuanFang
This is a coffee I'll repurchase endlessly.
Ray
i like this one coffee
phuongtrannt
as described. Thank you Weee!
kittyaloha
Always buy when it goes on sale.. been drinking this coffee since college. Great and convenient to carry.
weee.7905784
It's delicious coffee. I usually buy several cans at a time.
iYbo瓶纸小摩托
This is one of Mr. Brown Coffee's classic canned coffees, a Blue Mountain flavor. It's not made with pure Blue Mountain coffee beans, but rather blended to achieve a smooth and mellow Blue Mountain flavor. The coffee aroma is quite full-bodied, not overly bitter, with moderate sweetness, and a good balance between milk and coffee flavors. It tastes even better chilled. If you usually prefer canned lattes or coffee milk from convenience stores, this will be more palatable; however, if you're used to Americanos or freshly ground black coffee, you might find it a bit too sweet and the coffee strength not very high.
gary
I just finished drinking it; it wasn't bitter, it was alright.
weee.9323696
A top on my reorder
weee.10076345
It tastes good, I really like it
WeiWei
Blue Mountain coffee tastes great!
yuanFang
Buying things on Weee is very cost-effective, and the products are also good.
Julie L.
This is my first time buying this flavor; I hope it tastes good.
phuongtrannt
as described. Thank you Weee!
iYbo瓶纸小摩托
Mr. Brown Coffee's cappuccino-flavored coffee, sold in 240ml bottles, is a convenient ready-to-drink coffee. Just open and enjoy! The coffee isn't overly bitter; it's smooth with a hint of milk and cappuccino flavor. I personally prefer coffee that doesn't need extra milk. It doesn't have a harsh bitterness; the coffee and milk aromas blend harmoniously, tasting somewhat like a milk-based coffee from a coffee shop, though not as strong as freshly brewed coffee. The 240ml size is also just right; one bottle isn't too much. If you don't usually like bitter coffee but enjoy milk-based coffees and cappuccinos, this one is easy to drink. It's convenient to keep in your bag or carry a bottle with you; just open it whenever you want a coffee.
Chamberong Luto
Good ice coffee
yuanFang
I keep buying it; it's a great deal.
Mama Jo
Great pick-me up in a hurry.
Dt
this has been around for decades, I love it, especially cappuccino. nice,affordable, does the job.
gary
The taste is okay, with a hint of sweetness.
Sunnyday
It's so good!
Ngọc Hân
Cà phê thơm, nhạt. Ai thích đậm đà thì sẽ k thích loại này. Tui thì vậy là vừa khẩu vị nên thấy ngon ( tại k uống được cà phê đậm quá)
Foodie Em
My sons favorite coffee
weee.7905784
Mr. Brown coffee tastes exactly like the coffee I remember; I really love it.
yuanFang
Very little, tastes great, thumbs up!
iYbo瓶纸小摩托
Mr. Brown Coffee is a classic Taiwanese coffee, the kind that's easy to drink every day and enjoys for a long time. The coffee aroma is quite pronounced, with a slightly bitter initial taste, but not overpowering, making it quite smooth to drink. I think it's different from Benason Latte; Benason Latte has a more pronounced milk flavor and is generally smoother, while Mr. Brown Coffee's coffee flavor is more prominent. If you like a slightly bitter coffee aroma but don't want it to be too strong, this is quite suitable. It's convenient to grab a can anytime, and those who especially like the familiar taste of Taiwanese coffee will likely enjoy it.
Tara R
A can was slightly dented. Tasted great and the price was really good!
Foodie Em
My son’s favorite coffee.
benkim957
very very delicious
yuanFang
I keep buying it; it's very affordable and tastes great.
gary
It tastes good, but I have diabetes, so I probably won't buy it again.