Our bed wedges are made with our B Grade polyurethane foam. Our high quality foam bed wedges can be used for a variety of uses such as watching TV in bed, to help alleviate symptoms of acid reflux and in any case when the upper body should be elevated. Our standard bed wedges are offered with a poly/cotton or stretch knit cover. Our stretch knit bed wedge cover is stretchable and has an amazingly comfortable satin-like feel. The cover is allergy proof with a breathable polyurethane membrane on the back that prevents dust mites and allergens from getting through the cover. The polyurethane membrane also prevents water from going through the cover. Our Stretch Knit material offers the same protection as vinyl or plastic without the noise that is usually associated with these materials. Also, our Stretch Knit material does not cause your body to sweat like vinyl or plastic. Our poly/cotton bed wedges cover feel like a soft sheet. They do not stretch like our stretch knit covers and they do not have the polyurethane membrane to make them water and allergy proof. Additional fabric types, patterns and colors available. To purchase go to custom bed wedge covers.