Back Support Cushion Consists of viscoelastic foam with memory effect and a multi-bearing surface helping to improve the position and stability of the use. Acknowledges the body shape and posture of the user as it helps to provide better pelvic support resulting in reduced risk of pressure ulcers due to forward slipping. Specifications Small- 44x39x9cm Standard- 49x44x9cm Large- 49x50x10cmFeatures Anatomic Form Multi-bearing surface The cover Universal attachment ..