Do you often forget to drink water Is it not convenient to drink water when exercising Are you looking for a thermos bottle that you can take with you Our insulated water bottle is designed to keep your liquids either cold for summer time or hot in the winter. Join us now! Try to stopped used toxic plastic water bottles all together! No more one use cups, refuse to drink with your head up. Our flasks are made of BPA free, recyclable materials. Bring you a healthy and comfortable lifestyle, and fulfill the duty of protecting the earth. Item specifications: Item Type: Drinkware Capacity: 18 ounces Shape: Straight bottle Size: 2.75x2.75x9 in(7x7x23cm) Colour: Blue, green Cup Mouth: Wide mouth Surface: powder coating Material: 316 Medical grade stainless steel water bottle, BPA Free Leak Proof: food grade silicone o ring makes sure the sealing tightness and leak proof Suitable For: Yoga, mountain climbing, cycling, running, basketball, football, barbecue, school, home, office and other occasions. Fits most car cup holders. It is also the best gift you give to family, friends, teachers, Mother's Day, Father's Day and Christmas Notice: 1.It is recommended to wash by hand to extend the life of the thermos, do not put the cup in the Microwave or Oven to avoid damage 2.Please make sure the internal silicone O ring is in the correct position to prevent it from leaking 3.Please do not leave sugary liquid in the insulated water bottle for more than 24 hours 4.Avoid the cup falling from high altitude, affecting the service life of the cup Maintenance Method: 1.In order to prevent the generation of odors or stains, please clean it and dry it thoroughly after use and then it can keep the water bottle well insulated 2. Please use a soft sponge, cloth, and soft brush to wipe the inner tank, which can extended service life of the flask