1.Leak-Proof & Secure Seal:Designed for laboratory glass vials and aluminum plastic caps to ensure still airtight closure after use the rubber stopper , preventing contamination and leakage Ideal for laboratory reagents, chemicals, and biological samples.
2.Designed for Standard Cap Sizes:Compatible with standard 13mm caps, fits tightly without slipping. A perfect alternative to foil seals.
3.Bubble-Free & Easy Application:Self-adhesive backing allows smooth application without bubbles or wrinkles. Peels off cleanly with no residue.
4.For sealing vials, chemical reagents, and biological specimens in research or industrial settings.
Description
These circular opening stickers can effectively prevent leakage after needle puncture and provide protection.