... spill, one time using,smart caps... 5 gallon bottle cap ,non spill cap .water capMaterial /features:1. All new food- ... . Any colour is available8. 5 gallon water bottle caps ,include cap ,inner plug,can print LOG ,use with ... packaging use. 8. The inner cap opens smoothly an securely when the bottle removed from the cooler ,which particles ... material, and good sealing performance ! 5 gallon bottle cap