Filled with virgin polystyrene beads. Cover crafted from longwearing, moisture repellent Sunbrella fabric with excellent color fastness (100% salutation dyed acrylic). Easy to clean with damp cloth and mild soap. Cover is machine washable. Iron the product after washing to reactivate the Teflon finish. Meets the flammability requirements of California Technical Bulletin 117 Section A, Part III, flammability of resilient expanded polystyrene beads used in upholstered furniture. Meets the flammability requirements of California Technical Bulletin 117 Section E, Part I, flammability of upholstered fabrics