Features: -There are two ways to use it, you can use it in a static position facing forward or in a swinging position facing backward. -The surface has small cylindrical particles that can massage and relax the soles of your feet. -Easy to use, insert the stool surface into the stool foot slot and install the fixing screws. -Made of PE and ABS, it has a stable structure and can bear 67 pounds. -Small size, does not take up too much space, and is easy to store anywhere. Specification: Colour: black Material: PE+ABS Size: 40*30cm Package Included: 1x Foot rest .