Foam lid liners are coated with a torque-activated coating, after tightening the lid, they can be adhesive to glass, plastic and metal jars, as well as round containers with metal or plastic lids and closures.Specification:Color: WhiteMaterial: PS (Polystyrene)Size: 70mm x 1mm / 2.76inch x 0.04inch (Dia x T)Packing List: 50 x Pressure Sensitive LinersAdvantage:Keep Fresh: The pressure-sensitive seal which is made of polystyrene foam material effectively avoids dust, moisture and dirt into the jar and prevents leaks and odors in the bottle so that it can keep the dry or powder products fresh at all times. In addition, it can protect your products from tampering securely.EASY to USE: No induction sealers or heat shrink bands needed with these liner seals. No tools or heat gun required.
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