Package:300pcs Seal Cap Liner Leakproof Adhesive Foam Safety Seals Material:PE,foam Size:approx 35mm Color:as the picture show and may slightly different from the picture due to computer piexl 35mm approx fit flask, shampoo flasks and other fake bottles for cruises,glass bottle,metal bottle,plastic bottle,cosmetics,food products and more. Great for glass bottles, metal bottles, plastic bottles, food and cosmetics, bottles of solid food products.