We're Here To Help! e-mail: questions@lifewithease.com We'll Respond Quickly! Core Lobak Rest: Owner used and endorsed     The Core Lobak Rest is a high-resiliency, yet economical lumbar back cushion that provides comfort and support to any body size. The special contour shape helps assure proper lumbar positioning in any chair or car seat. Comes with cotton/poly cover. Measures 13 1/2" wide by 12" in height.