The Sunrise Tumbler must-have for your summer smoothies on the go! These tumblers are made of BPA-free, single-walled glass with a silicone sleeve for a comfortable grip, removable metal straw, and tight seal bamboo lid to ensure no spillage. With a 500ml capacity, take it with you on the way to work, the beach, or out by the pool, filled with your morning iced coffee ready to jump into your day.