... .Easy to tear on the bottle One-time use 5 Gallon plastic bottle cap plastic bottle cap ... full,competely structure, surface and inside is smooth, without apparent shrinkage, bubble, flash and defectcolorcolor equablypollutionno dust ... than 2mmHeat sealingheat sealing evenly, level off, without apparent ruffle, become warped edge, Stick label ... send us inquiry. One-time use 5 Gallon plastic bottle cap