Need to plug a bottle, test tube, or jar?

This pack of 20 small #00 black rubber stoppers has you covered!

They're perfect for sealing glass containers to keep out dust, air, or contaminants.

Great for DIY science projects, homemade crafts, preserving liquids, or even as makeshift feet for furniture.

Made from solid black rubber, they're flexible enough to fit snugly into various openings.

The pack is super handy to have around the house, garage, or workshop.

Easy to install—just push them in.

They come in a variety of sizes if you need something bigger or smaller, but this #00 size is ideal for smaller bottles and vials.

Dimensions are about 2.5 by 3.81 by 1.43 inches for the whole package.

Whether you're a hobbyist, teacher, or just someone who likes to be prepared, these stoppers are a simple, affordable solution for all sorts of sealing needs.

Keep your stuff protected and organized with this versatile set!