Pressure Check Foam CushionSkil Care Pressure Check Light and Heavy Foam Cushion is a pressure relief and redistribution cushion that has a dual sided checkered foam design that reduces shear forces. It is recommended that residents less than 63kg's utilise the side with smaller pods and alternatively side with larger pods to be used for heavier residents more than 63kg's. Both sides provide maximum weight distribution for pressure relief. Size 46cm x 40cm x 7. 5cm .