Introducing the innovative OCA Ultra Comfort Water Cushion. Simply add this cushion to your chairs or wheelchairs to instantly improve user comfort and reduce compression for longer sitting.How it works:The cushion is filled with approximately 5.8 litres of water. This water will be absorbed into the foam, resulting in a gel-like texture. The valve is opened to release air that is trapped inside. The valve is then closed securely to prevent leakage.Features100% anti dust mite & anti fungalMade of durable and flexible materialSuitable for everyone - Office workers, wheelchair users, home useComfort with a cooling sensationUnique water and foam technologyHelps distribute your weight evenlyHelps improve your postureReduces the strain on your neck and backRetains shape, fits user perfectlyImprove blood circulation throughout your lower bodyLong-lasting, durable, easy to cleanSpecificationsSize: 15.5" (depth) x 16" (width) x 1.6" (height)Packaging dimension = 46 x 26 x 10 cmWarranty18 months for manufacturing defectIn case of leaking due to human faults, it will be charged RM5. If the bedding tear off, OCA will repair it for you. Directions Simply add this cushion to your chairs or wheelchairs to instantly improve user comfort and reduce com