The Vitacare Levelling Overlay is a foam add-on designed to create a level sleeping surface for beds with a pressure relief mattress insert (shown below):  

Made for use with the ROHO Dry Floatation Mattress Overlay System (sold separately)

Features

• Creates a flat surface on top of a mattress with a center cutout
• Fits a ROHO insert (sold separately) in the center for pressure relief
• Adds 3 inches of height to the mattress
• Designed for use on top of another mattress

Specifications

Package includes:

1x Vitacare Levelling Overlay Mattress with Opening (insert is not included)