Silicone Rubber Sheet,Heat Resistant, Heavy Duty,High Grade 60A,12 x 12 Inch, 1/25 Inch Thickness for DIY Gaskets, Pads, Seals, Crafts, Flooring,Cushioning of Anti-Vibration, Anti-Slip

Very flexible, good quality

I wish i had checked the tkickness. It is too thin to make the washers.

Product as described

Good quality for various projects like washers and spacers.

Although it worked OK for my project the adhesive is not very strong, it is tricky to get the rubber to stay in one place.

I purchased this rubber mat to cut four corners to hold up a plant, which I inserted pot into a pot. I noticed that even though the top pot was larger, it would still slip and turn. This rubber mat is perfect to keep my potted plant in place. Plus, it is heat and water resistant. The black mat camouflages nicely against my dark blue outer pot. I am pleased.

I like it. It is very excellent for my home made pressure can of tennis ball as gasket . It is a real rubber so that the sealing ability is powerful . I would like to recommend it.

The rubber itself seems fine, but my piece was not 12 x 12, which is what I needed for my project. And, it was not square -- mine measured 11 3/4 x 11 7/8, with one edge not very straight. For this price, the tolerances should be better.

This is a poor quality item . Describe as 12x12 I ordered 2 just in case and they are both odd shaped junk if you not going to make them square in shape with straight cut line side at least make them over sized so they can trimmed so they will be 12x12 . Straight JUNK !!!!!

I was using this to line a mold to melt plastic into different shapes. Its kind of pricy (since I had to cut it up) But it worked good in the oven at 350F