Medline's wheelchair pads are available in both convoluted and solid foam cushioning. Convoluted foam wheelchair pads are soft and made of high quality medical grade urethane foam to provide extra comfort. Solid cushioned wheelchair pads contain medical grade polyurethane foam that helps provide support while in wheelchair. Both are available with and without antimicrobial Nylex cover.Medline's wheelchair pads with horn are covered in our long-lasting, navy Nylex fabric. Nylex cover is fluid-resistant and antimicrobial. This comfortable cushion is strategically designed to help prevent patients from sliding forward or out of wheelchair.Medline's Nylex covered pommel wheelchair cushion features a gently rounded pommel that helps keep the patient from sliding forward. This model separates the knees to help eliminate skin shear and promote air circulation.