The densified fiber core is designed specifically for use in Home Care * Lighter weight than traditional innerspring mattresses * Inverted seams for patient comfort and caretaker convinience * Lower shipping costs * Durable for years of practical use * The durable 8oz. vinyl cover is waterproof and anti-microbial * Weight capacity 300 lbs * 1 year non-prorated warranty * Meets Federal Fire Code CFR 1633