The Columbia Medical Secure Seat™ Hi-back Positioning Commodes are specifically designed with high-quality materials that are SILICON & LATEX-FREE for children and adults with special needs.Is this Product Right for You? Hi-back Positioning commodes for children and adults with mild to moderate levels of physical disability Padded back cushion sold separately Questions? Our therapists can help you with a proper fit… to start please click SIZING HELP and complete a simple form, or call us toll free at (800) 371-2778 Critical measurements: trunk width, thigh depth & hip width Critical measurement: Back height to head AND Back height to shouldersPlease click the SIZING CHART to determine which Hi-Back Columbia Medical Secure Seat™ Positioning Commode will suit your child’s special needs. Please Note: For the health and welfare of others, we regret that we cannot allow toileting or bathing/shower product returns, including the products on this page, because of sanitary and personal hygiene reasons. Please click here Returns Policy to view our complete Returns Policy.