Portable Round Handle Bottle

[Long Time Keep Warm &Cold]---Nearly 12 hours to keep water warm&cold! This smart water cup suitable for both winter and summer, broke the traditional style of Vacuum cup! Double layers to ensure heat preservation, improve the quality of your daily life!

[IPX7 WATERPROOF& ANTI-LEAK]---This cup is waterproof, which is convenient for washing, just rinse it with water after using. Our sport drinking bottle is in anti-leak design, so never worry liquid inside would pour out.