No spill water cooler gallon bottle caps (RK-Z3) 100% PE new materials Could print LOG,can ... use with heat sticker and foam 1. 5 gallon water bottle caps ,include cap ,inner plug,can print LOG ,use with heat ... . 5.we also supply other different kinds of 5 gallon caps, three-in-one, two-in-one, four-in-one, recycle ... one time heat sticker and inner liner or not. Blue bottle cap with foam