AIRTIGHT SEAL: Made of high-quality rubber, the stoppers form an airtight seal to prevent leakage and contams when inserted into bottles.
SELF-HEALING DESIGN: The unique self-healing properties allow the rubber material to reseal itself after punctures for repeated secure closures and reopenings.
REUSABLE DESIGN: The flexible material allows the stoppers to be removed and replaced easily without losing their sealing ability.
MULTIPURPOSE APPLICATION: Suitable for sealing mushroom jars, tincture bottles, essential oil containers, and more laboratory or home use.
BULK QUANTITY: This economic package contains 100 rubber stoppers, providing an ample supply for all your bottling needs while minimizing per-unit costs.