Gel Convoluted Foam Cushion 18 x 16 x 3 Navy Gel Warmers Free Sale Certificate(FSC) Power supply 8975 Free Sale Certificate(FSC) Power supply ≤3mA Battery A10 Working Time 80 hours Battery type zinc empty battery Warranty 1 Year 6 With Lock * Contoured surface provides a more comfortable and supportive seat * Comes with Lok In El© slip in bracket that provides a fast convenient and safe way to secure the seat * Weight Capacity: 300 Lbs * High density convoluted foam promotes air circulation and combines with a dual chamber gel pod providing superior pressure relief and comfort * Low Shear anti microbial and fire resistant fabric all incorporated into one fluid proof removable cover * Slip resistant bottom with Velcro© straps help keep cushion in place * Meets CAL 117 standards