The szambit collapsible water bottle made of thick, flexible BPA-free silicone, maintains its sturdy shape for a comfortable drinking experience. Silicone lifting belt placed on one side of the bottle and closed to the middle support, very convenient to fold up when space is tight. This bottles are leak-proof, shatter-proof.Specification:Item: Foldable BottleCapacity: 580ml (19.8oz)Weight: 210GMore Feature:Food grade high quality aluminum frame for the left and right sides, strong and duable.Food grade PA66 plastic middle support, strong, heat-resistant and drop-resistant with inner brass nuts on both sides.Food grade soft silicone material for the bottle body.Stainless steel screw for the cap to make sure good tightbess.Silicone lifting belt placed on one side of the bottle and closed to the middle support, very convenient.A compass on top of the cap, great helper for outdoor activities.Stainless screws to make the left and right aluminum frames more strongly attached to the middle support.The 580ml (19.8oz) water bottles with a aluminium alloy carabiner and wrist lanyard for hanging on the backpack,belt,bicycle or in the bag. It is especially suitable for rock climbing, buckled it on the belt which is convenient for drinking.Package:1 x Collapsible Water BottleOur products have been well tested, examined and packaged before sending off. You can rest assured that your purchase at our store is guaranteed. Any problem please feel free to contact us first so that we can supply the best service for you.