Tender Care Products offers various cushions for wheelchairs, which range from foundation cushions, wedge cushions, gel cushions, pommel cushions, amputee cushions, Lammar seat cushion, and a saddle cushion. All foundation cushions manufactured by TCP are 18" wide x 16" deep and come in 2", 3", or 4" thickness. All wedge cushions manufactured by TCP are 18" wide x 16" deep and come 3" to 1" slope or 4" to 1" slope. We also make custom sizes in all our cushions that we manufactured, just call and we will provide you with a quote for that custom size you are looking for. Standard stock colors are Mauve, Teal, or Blue.