M adhesive backing on nice, thick pads. Fit perfectly under the legs of my couch and can be slid across my hardwood floor without scratching. Protects my floor from indentations and easy to move very heavy furniture around. I bought these to go on the...  Read More

M is the go to brand when it comes to self-adhesive things. Clear so tend to blend in and have stayed in place for over a month. Used under dog pen to prevent marks on floor.

It stick well but it does not do any sound dampening. I am very disappointed, this is my first disappointment with 3m.