Yabuy 400mL Cup Bottle Thermal Bottle Portable Leak Proof Stainless Steel Bottle Flasks Bottle for Travel Gym Fitness

[One Button Press]This -insulated bottle allows one-handed operation by briefly pressing the button to open. [Useful]The insulated bottle keeps beverages hot & cold for up to 6-12 hours. Replenish your body with sufficient . [Leak-Proof]The design securely seal for travel and storage of , milk, etc, preventing the bottle from accidentally opening. [High-quality]The bottle made of high-quality stainless steel, will not break when accidentally dropped on the ground. [Large Opening]The bottle with an opening wide enough for most ice cubes so you can easily refill and reuse it over and over.