https://craftycupsbyacol.com/collections/16-oz-cups/products/16oz-black-knight-cups
UNBRANDED CUPS ARE NOT COLOR CHANGING Listing is for a set of 5 Cups includes 5 Lids & 5 Straws Colors: Solid Black For Cold Beverages Only. BPA free and FDA/LFGB approved Size: 16 FL Oz/ 473ml. Perfect for Iced Coffee, Juice, Water etc. (Cold Beverages Only) Conveniently top shelf dishwasher safe Reusable cups Not