These pads are with sticky bottom, so you pull off the failed pads and put these on. Love this coat rack! Overall a perfectly formed small package that has good quality sound, comfortable fit and easy to use. Pretty sturdy and fit perfectly on a factory BMW roof rack system. So you may consider this fact during ordering this sandal. This is a great little machine. Or put it in the dryer. No trouble pairing it with my Windows 10 driven laptop except that it reads as headphones instead of external speaker. ? Here?s why: I don?t like the sluggishness and latency when using the bluetooth connection, I had to click buttons twice before it recognized the input, I?d drag the mouse and literally wait 2 or 3 seconds for the cursor to follow. Almost couldn?t put together.