【FOOD GRADE MATERIAL】Safety is the top priority of food utensils. Our collapsible water bottle is made of 100% food grade high quality silicone and is PDA approved & BPA free, you can use it with confidence.
【DURABLE】Endures a wide range of temperatures from -50℃ to 200℃. Can be frozen or poured into hot water (recommend -10 to 60℃ hot water).
【LIGHT & SPACE SAVING】 The bottle of us is soft，foldable, space saving effectly，can be placed in any backpack pocket without leaving creases.
【EASY CLEAN】Easy clean by water washing or with a cleaning cup brush.