Hybrid Elite Cushion Dual Valve 17ù w x 17ù d Wheelchairs Reclining Introducing lluvia™ the hearing aid 401010 Introducing lluvia™ the hearing aid with "Ingress" Water Protection Package Size: 90 x 85 x 50mm * Combines the suberb skin protection and shape matching ability of ROHO DRY FLOATATION© with the stability of Jay© base technology * This new cushion design allows for improved position and function while maintaining optimal immersion and envelopment of both the ischial tuberosities and greater trochanters * Cushion insert matches the individual s shape by adjusting the amount of air * Air cushion insert is easily cleaned with soap and water Cover with encased comfort foam is machine washable