The perfect companion to Posey Side Rail Wedges, the Horseshoe Wedge can be zipped together with any combination of Posey #5708 or #5708S Side Rail Wedges for complete coverage around the bed. Hook-and-loop flaps secure the Horseshoe Wedge under the mattress; straps secure to side rails and headboard or footboard. The wedge rises 10" above mattress surface. The Horseshoe Wedge is made from soft, durable foam and covered in wipe-clean vinyl, making cleaning a snap. One per package.