Sanrio and A-Sha released a three-flavor variety pack of boba milk tea starring Hello Kitty and her friends, Cinnamoroll and Kuromi, which you can get at Costco stores around the United States.

Signature drinks, including the Champion Milk Tea and Golden Buddha Silk Boba—both winners at the Taiwan Milk Tea Festival—showcase the brand’s craftsmanship. The shop’s silk boba ...