5 gallon bottle cap for 5 gallon bottles non-spill, one time using,smart caps... 5 gallon bottle cap ,non spill cap .water capMaterial /features:1. All new food-grate plastic material(PE)2. Dustproof,non-spill and ... cooler ,which particles from entering bottleour 5 gallon non spill caps are made of 100% new food grade PE material, and good sealing performance ! 5 gallon bottle cap