The Columbia Medical Secure Seat™ 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? 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 Lo-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.