Description: Help preserve freshness of your product. Help prevent oils & liquids from leaking. Help prevent product contamination. Help authenticate product integrity. Pressure Sensitive lines are designed to be used as an inner seal to seal solid products, such as dry foods and pharmaceuticals & work with thick liquids such as creams and sauces. No tools requires, apply proper pressure and they will stay attached to the jar until they are peeled off. Size: Approx. Dia: 2.5 cm / 0.98 inch Material: Foam Specification: How to Use: Place the liner onto the opening of the bottle/jar. (Make sure the rim is dry, clean and smooth. ) The one side with word should be the upper side (see picture shown). Twist your cap onto the bottle. Leave in place for 30 minutes. This gives the adhesive time to release leaving the liner attached to the rim. You will see the liner sealed closely onto the rim of the bottle/jar opening after you take off the outside cap 30 mins later. Package Includes: 200 Pieces Safety Tamper Seals Note: 1.Please allow 1~3 cm error due to manual measurement, thanks. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you.