Features: Convenient to use: Easy to install and can save your time, just stretch the fidget bands to apply on the front two legs of chair and its perimeter is approx. fit most chairs. Multi-function: Can be applied in increasing focus and attention while learning, and help your kids stay seated in their chair and improve learning efficiency in the classroom or home. Specification: Material: natural latex Color: green Perimeter: approx. 50 cm Width: 5cm