89mm 3.5 Inch Foam Lid Liner 50 Pack For Bottle Caps With Pressure Sensitive Tamper Evident Seal Polystyrene Foam Dustproof Seals For Containers And Jars

Premium 89mm Foam Lid Liners for Dustproof Jars and Caps
✔️ 89 mm (3.5 in) diameter, 1 mm (0.04 in) thick, 50 pack, pressure-sensitive foam liner

This foam lid liner set creates a pressure-sensitive seal that fits standard bottle caps and glass, plastic, or metal jars. Used with powders, dry goods, or spices, it helps keep contents fresh while preventing leaks and odors during storage or transit.

✅ 89 mm (3.5 in) diameter, 1 mm (0.04 in) thick white polystyrene foam liner, 50 pcs per pack
✅ Pressure-sensitive, torque-activated coating bonds when the cap is tightened
✅ Dustproof, moisture barrier protects powders and dry goods from contamination
✅ Works with glass, plastic, and metal jars and standard closures; no heat sealing needed

💡 What is a foam pressure-sensitive liner used for in jar lids? This handy seal helps keep contents dry and tamper-evident without heat. - Keeps dust, moisture, and odors out of containers - Activates when the cap is tightened for a strong seal - Easy to remove without residue, suited for dry powders