HEALTHY SAFE MATERIALMade of BPA FREE foodgrade platinum silicone FDA APPROVED to ensure safe drinking non toxic and odorless Suitable for water or drinks from 40F 40C to 446F 230C We do not recommend using it for liquid which higher than 140F 60C to avoid scalding your hand FOLDABLE DESIGN SPACE SAVERRamkuwar foldable water bottle can reserve 550ml liquid with only 198g in weight It can be folded from 98 inch to 55 inch in height Collapsible and lightweight design allows you save 50 space portable and easier to storage Great for kids girls boys women men LEAK PROOF EASY TO CLEANThe travel water bottle designed with silicone seal ring to prevent leakage Wide mouth design makes collapsible water bottles easier to clean the interior or add ice lemons into it When first use we advise to soak it for 20 minutes with boiled water for thorough cleaning EASY TO USE Due to its widemouthed design you can easily transfer and store your liquids in our silicone water bottle The wide mouth also makes it easy to clean the interior We advise you to pour some warm water in the bottle with some dishware cleaner rub the solution gently using a soft brush or your hands Rinse with fresh water until the backpack water bottle is clean IDEALTRAVELCOMPANION Our portable water bottle is equipped with an aluminum alloy carabiner so you can hook it to your backpack or gym bag and carry it everywhere Ideal for travel gym biking running camping fishing hiking climbing yoga beach and various other outdoor sports