Perfectly sized for chairs and benches, this vinyl-covered vibrating sensory cushion offers a gentle sensation when sat on or squeezed. No on/off switch, ceases operation when pressure is released. Great for children with energy, the Senseez sensory cushions make ideal special needs cushions, especially for children with autism, ADHD or sensory processing disorder. The vibrating cushions can calm children who need more sensory feedback or help train hypersensitive children to tolerate more sensations. Measures 25.5cmW x 25.5cmD x 7.5cmH.