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: Material: PS (Polystyrene); Color: White; Size: 32 x 1.2mm/1.25 x 0.05inch (Dia x T); Packing List: 50Pcs x Pressure Sensitive Advantage: The new design with a paper back, you can tear off before use, it's dustproof and waterproof prevent products from sticking to each other during storage and transportation. And 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. Instruction: 1. Keep the cap where the seal needs to be attached clean, make sure there are no water spots and oily residues.; 2. Put the lettering side of the seal into the cap and apply a little pressure to attach it tightly; 3. Finally, Screw the lid on as tightly as you possibly can, the seal is activated by the pressure of applying the lid and will adhere within 12-24 hours (No Strong Stickiness). NOTE: 1. Please tear off the yellow paper back before use 2. Once the seal is removed, the tightness will be affected when reused. 3. These pressure-sensitive liners are best used with powder or dry products, not suitable for applications containing oil; Avoid overfilling the container. 4. It is recommended to wait enough time before removing the cover after installation. 5. These PS foams are not suitable for use at high temperatures.

NOTE: Please confirm the outer diameter of the bottle mouth or the inner diameter of the cap before you buy. The item has No Strong Stickiness. Application: 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. Instruction: No installation tools are required.1. Keep the cap where the seal needs to be attached clean, make sure there are no water spots and oily residues.; 2. Put the lettering side of the seal into the cap and apply a little pressure to attach it tightly; 3. Finally, Screw the lid on as tightly as you possibly can. Advantage: 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. Material: PS (Polystyrene); Color: White, Red; Size: 45 x 1mm/1.8 x 0.039inch(Dia x T);; Packing List: 100Pcs x Pressure Sensitive. The outer diameter of the bottle mouth is consistent with the diameter of the product.