This soft pre-inflated, air, anti-bacterial vinyl cushion makes any wheelchair seat more comfortable by providing pressure relief and redistribution. It is manufactured from wipe-clean, anti-bacterial vinyl and has a double heat seal for extended life. It doesn't have any air valves that could interfere with the seating pressure. The cushion is also provided with an outer low shear II, wipe clean, stretch cover that protects the cushion and helps reduce shear forces. Comes with safety straps and can be used under any temperature conditions. Vinyl meets flammability requirements of CA 117.