Advantage
Keep Fresh: 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 in the bottle so that it can keep the dry or powder products fresh at all times. In addition, it can protect your products from tampering securely.
EASY to USE: No induction sealers or heat shrink bands needed with these liner seals. No tools required. This foam seal peels easily from the container When you need to open.