Improve concentration and support/improve children's posture with this discreet under the desk foot fidget. Designed with an occupational therapist, it helps to avoid over twisting of the legs and feet, which will help children to sit up straight, without slouching. To clean, submerge in hot soapy water. The foot grips provide stability and the non-slip grips allow it to be used on any flooring. Useful for young people with hip and knee problems for reducing discomfort at desks.