... Lfgb 3,material:PE FOLABLE WATER BOTTLE IN 480ML1 ltem:collapsible water bottle2 materials: stainless steel ring with foldable plastic water bottle3 certificate: FDA/SGS ... questions?Question 1:How to clean this Collapsible water bottle?Answer:Fill in the warm water and Cleaning agent,then shake 10 times ... cap,Keep out of the reach of small children. foldable plastic water bottle