30 Pcs Solid Rubber Stoppers, Solid Rubber Bungs Plugs, Rubber Tapered Laboratory Pipe Tube Tank Bottle Holes Push-in Sealing Bungs Plugs Stoppers, 9 Different Sizes, (000# -7#)

We used these with empty bottles, vinegar and bicarbonate of soda to build rockets. Wrap the bicarbonate in toilet paper, drop in the vinegar, add stopper, shake well and stand back. We used a plastic tube to launch. It took a while for the grass to grow back.

Great for corking water pipes on a car heater matrix

Great range of stoppers. Worked as expected

Good choice of sizes did exactly what I needed

Big Big selection of sizes very handy tip there’s a number on the end which helps

Just the job

Bought to replace Cork stoppers in salt, pepper and sugar sifters that had a nasty habit of falling out. These solve the problem.

exactly what i wanted to bung up open ended pipes whilst i carried out some repairs