Span America Convoluted Mattress Overlay, 1 Each Personal Protection Kits Rechargeable Style:Pair (Left & Right) Rechargeable * Low beds eliminate the use of restraints * No sharp edges with smooth curved corner supports that hold mattress in place * Excellent for psychiatric and Alzheimer residents * Double walled support at all stress points * 3 different deck heights will facilitate the caregiver s work and can be easily cleaned * Ships UPS with some assembly required (2 boxes) * User friendly durable economical lightweight * Single wheel heavy duty threaded stem (3 ) casters for extra security & safety * Casters will not fall pull out * Multi position elevated headrest * Mattress headboard footboard and casters not included * Dimensions: 80 L x 40 W * Sleeping surface: 80 L x 36 W * Weight capacity: 250 lbs not pressure management or "eggcrate"