Roho Hybrid Elite Cushion Single Valve 24 x20 x4.25 Pulse Monitor Distance Spot Ratio: 12:1 Color:Yellow Distance Spot Ratio: 12:1 MAP: 20mmHg~165mmHg s shape in order to minimize tissue deformation and facilitate blood flow * Made of flame resistant black neoprene (not made with natural rubber latex) with nickel plated brass inflation valve * Contoured foam base made of fluid resistant polyeth * Weight Limit: 500 lbs 225 kg * Warranty on cushion: 24 Month limited warranty * Warranty on cover: 6 Month limited warranty * Combines the skin soft tissue protection and Shape Fitting Technology© of a ROHO DRY FLOATATION© cushion with stability from a contoured foam base * This cushion design allows for improved pelvic alignment and stability for improved position and function while maintaining optimal immersion and envelopment of both the ischial tuberosities and greater trochanters * The ROHO shape fitting cushion insert provides critical pressure redistribution around the pelvis area giving the individual skin soft tissue protection that ROHO is known for * Simply adjust the cushion insert to fit the individual