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, Red; Size: 28 x 1mm/1.09 x 0.039inch (Dia x T); Packing List: 300Pcsx Pressure Sensitive

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.

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.

NOTE:
1. Once the seal is removed, the tightness will be affected when reused.
2. These pressure-sensitive liners are best used with powder or dry products, not suitable for applications containing oil; Avoid overfilling the container.
3. It is recommended to wait enough time before removing the cover after installation.
4. These PS foams are not suitable for use at high temperatures.