?VOIDROP's thermos water bottle, which is an airtight metal bottle with functionally sealed bamboo caps that maintain the temperature of all your liquids at their hottest or coldest, you may drink in comfort and worry-free. ?PERFECT FOR ON THE GO:Be ready to encounter VOIDROP stainless steel- FOOD GRADE water bottles. You will be astounded by its double wall construction, which keeps the beverages warm. Your beverage is kept HOT for up to 12 hours and COLD for up to 24 hours. ?DESIGN:The substance of 304 stainless steel water bottles has undergone rigorous testing, showing that it is sturdy, leak-proof, and odor-free. Our original LOGO is laser printed to provide you a permanent, distinctive, and upscale look. ?VACUUM INSULATED:As the bottle is frequently used for exercise and sports, we made sure that it was BPA FREE. This is because we are committed to protecting the health of our consumers and maintaining a healthy environment. ?100% SATISFACTION GUARANTEE:We are highly confident in the superior quality of Voidrop water bottle that if you are not fully satisfied we will offer a full, 30 days money-back guarantee with no questions asked. Order your Bamboo cup bottle now and give your family that elegant look!