Fabelab's Water Bottle is perfect to bring on the go or to school. The Water Bottle is easy for the little ones to use and drink from with the easy yet safe opening that prevents the water bottle for opening inside the school bag. A drinking spout has been added for safe drinking and it fits perfectly into the sides of our new Backpack - Large.The Water Bottle is made from 18/8 grade stainless steel and BPA-free PP silicone. The Water bottle keeps drinks cold for 24 hours and hot for 10 hours and neither receives nor gives off taste when used. , , Care and use: Wash the water bottle in cold or warm water with a soft sponge or brush to clean the inside. Keep the water bottle clean to avoid odor and store the water bottle without the lid screwed on for optimal drying. For thorough cleaning, you can fill the water bottle with hot water containing 10 % vinegar for 30 minutes and finally clean with clean water and a soft brush.