Color changes based on UV rays from yellow to green instantly.
The Bev Bag is for your boba, coffee, water etc. Thick but light. The bag comes with two flat metal chains, a hand and arm strap. You can link them together for a crossbody strap. The Bev Bag is packaged in a drawstring bag.
8 inches tall and 5inches wide
The hole for the cup is a standard US cup size.
When you order please keep in mind the bag takes 20+ hours to make. Made in California.