These stretchy kick bands are easy to install on chair legs, promoting calmness, and helps the child's concentration levels whilst sitting down. Helps children stay focused while they are moving or bouncing their feet. These stretchy bands can be fitted in secs just stretch the fidget band over the 2 front legs of a chair and its done. Use on any chair imaginable as long as the 2 front legs are at least 25cm wide. Helps to reduce fidgeting. These are made from premium quality rubber, these bands can withstand everyday wear and tear. Great for home use, classroom and the office.