Hello Mark, these bumpers are made using TPE.
Honestly I don't know why the package does not include the dimensions. I just know that we use these to complete out projects and they serve its purpose. I think this questions should have been directed to the maker/packager, Everbilt.
Some were more difficult to remove than others, but they didn't tear at all.
My customer needs help to the Kitchen cabinet Doors, Customer happy by FloridaGranite.
Yes, they are. I'm not sure what plastic they're made of, but they rapidly degrade into a viscous, runny material that sticks to everything. Don't even think of buying these. Get the good urethane or silicone rubber version made by 3M.