ITEM NAME:Air Self Inflatable Waves PVC Cushion Seat Pad Hemorrhoids + Free Pump O4W4 Air Self Inflatable Waves PVC Cushion Seat Pad Hemorrhoids + Free Pump O4W4 Designed for patients who are a high risk of pressure sores. Soft, breathable and comfortable, is a better chair cushion. Design reasonable, easy to operate, easy to carry, can be used repeatedly. Standard valve designed for easy inflation,come with an inflating ball. Suitable for patients lying on the bed to cushion their affected areas. Model: HB-C07 Type: Inflatable Cushion Material: PVC Load bearing: 60KG Color:Blue Hole number:25 Inner Hole Diameter: 2.2cm/0.87 inch Size: 40*40cm Instructions How To Use : 1. Inflate the air mattress with an inflating ball , foot pump or other inflating devices. 2. Connect the air valve to the tube, and remove the safety pad in the inner side to inflate and deflate. Note: 1. Keep the mattress away from sharp objects. 2. Carefully control the pressure when inflating the air mattress. Do not exceed the maximum pressure. Packaged included: 1 x Inflatable PVC seat cushion Note: Random color, don't accept the specified color. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Type: Inflatable Cushion. 1 x Inflatable PVC seat cushion. Inflate the air mattress with an inflating ball, foot pump or other inflating devices. Keep the mattress away from sharp objects. Do not exceed the maximum pressure.