Sittin' Pretty Starry Night Gel Foam Pad 18 x 16 x 2¿ Maternity Care 5 H x 36 W 8975 5 H x 36 W x 14 D 1 Tank Capacity*: 10 gal (37 L) Temperature Range 160¯ 165¯F (71¯ 74¯C) Thermal Cut Out Temperature: 180¯ 185¯F (82¯ 85¯C) Temperature Accuracy: + 10% Heat Up Time to 160¯F (71¯C): 4 Hrs Cool Down Time from 160¯F (71¯C): 4 Hrs Fiberglass Insulation: Yes Two chamber design for maximum pressure relief * Sittin' Pretty Starry Night Gel Foam Pad * Gel surface relieves interface pressure * Water based gel reduces skin damaging perspiration * High density foam increases comfort and stability * Vinyl cover is incontinent proof * Wipes clean for easy care * Safety ties secure cushion to wheelchair *