3 Sizes Available -- You will receive 150 pieces of foam Lid Liners in 3 sizes, diameter: 2.28"/2.75"/3.5", thickness is 1.2mm. Multiple sizes can meet your different size bottle closures without additional cropped. Warm Note: measure slightly less than 58/70/89 mm in outer diameter neck sizeKeep Fresh -- Pressure Sensitive Seals are a quick QIGROP and easy way to and preserving them longer that ship well and don't leak with texture of products by providing an airtight seal that is tight, leak-proof, pressure-proof, water proof.Easy to Apply -- No fancy equipment needed. Just place them in the lid non-character side up then tighten lid, and let sit for 12 to 24 hours and it's sealed.Reliable Material -- Our pressure seals are coated with a torque-activated adhesive for a self-adhesive seal and can be tightly sealed. The product is packed in a bag, it may stick together during transportation, but it does not affect the use, just separate them when using.Suitable for Most Bottles -- These safety seals are suitable for different containers such as common mouth cans, jugs, jars, jars or other round neck containers, and materials from glass to plastic.