Pressure sensitive seal liner is composed of PS foam of coated with pressure-sensitive adhesive. The thickness is 1.0mm. To sealing without any equipment and only tighten the bottle cap at room temperature to achieve the purpose of sealing. Applied to glass bottles, metal bottles, plastic bottles, which the bottles with solid or dry food or medicine packaging. The function is forgery and moisture resistance (anti-leakage) .The back of seal liner can print trademarks, logos by the customer-specific.