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 ... Several different series available7. Any colour is available8. 5 gallon water bottle caps ,include cap ,inner plug,can print LOG , ... 5 gallon non spill caps are made of 100% new food grade PE material, and good sealing performance ! 5 gallon bottle cap ...