coccyx pressure relief & a safe transferring system for caregivers. Stable platform for coccyx off loading  & slider sheet. Water proof barrier for fluid control-Multiple handles & wipe clean surfaces.  Long life highly durable materials-Made in the USA 1 SET   #556150-Bed Positioning Nylon Sheets w/2 30 Degree 16" Wedges 16" Wedge, 50"L x 38"W Sheet Latex Free UNSPSC#42141705