Material：Tritan cup body, PP cup lid

Long lasting battery life: It supports a USB universal charging interface, which is compatible with mobile phone chargers, power banks, computer USB ports, etc. You can charge it anytime and anywhere, eliminating the trouble of replacing traditional dry batteries. The battery has been optimized and improved

Suitable for Drinking Needs in Multiple Scenarios​: With a 450ml golden capacity, it can not only meet the demand for a sufficient amount of protein shake to replenish energy after fitness, but also hold the amount of water needed for daily commuting and office work. (NOTE: NOT suitable for fruit or ice).

PERFECT GIFT - A cute mug, A cute gift. The best gift for your families, friends and colleagues who love coffee, hot chocolate, protein powder or other beverages that need to be stirred. Perfect gift for home morning coffee, office, travel, Father's day, Mother's day, Christmas,etc.