Description High Density Foam Mattress Convoluted Topper for Excellent Airflow Durable, Zippered Nylon/Vinyl Cover Compress rolled for cost effective storage and freight Maximum Weight Capacity 350 lb (EVENLY DISTRIBUTED) Available in two widths: LS100-35 (35”) LS100-42 (42”) Shipping box dimensions: 40″ x 14″ x 14″ Warranty: 5 Year Mattress – 1 Year Cover