... label 4.Easy to tear on the bottle New PE 5 Gallon water bottle caps bottle cap,plastic bottle cap,5 gallon bottle cap · New food-rate plastic material. · ... cube container. The degree of tightness between 5 Gallon cap and inner cap is coordinate mooderately,when normal using,the inner ... apparent ruffle, become warped edge, Stick label and 5 Gallon caps heat sealing are strength.when taking off label, ...