Helps promote a safe environment, without the need for side rails. The Posey Defined Perimeter Mattress Covers offer a low intervention solution to many of the side rail restraint issues affecting healthcare facilities today. Wedge-shaped foam sections line the side perimeters of the mattress, providing a gentle reminder to those lying in bed of the mattress edges, to help prevent accidental falls from the bed. The 15'' openings in the mid-section allow for easy patient exit and entry and the straps with quick-release buckles easily secure the cover to the bed. Model 5750 offers strategically located sheet clips to hold bed sheets securely in place and comes with a removable foot bolster for patient comfort. Nylon cover consists of a waterproof urethane coating that can be wiped clean with a mild disinfectant. Meets CA #117, Section E Flame retardancy standards.