Woven Fabric Upholstery With Steel, Wood, and Plastic Framework MODERN STYLE, EARTH FRIENDLY WONDERBOX? - The Curtis Platform Bed boasts a chic dark grey upholstered frame and ships in a compact box, reducing its carbon footprint DURABLY DESIGNED - This sturdy framework, available in full, queen, and king profiles, is engineered to support up to 700 lbs NO BOX SPRING NEEDED - Durable wood slats support and extend the life of your latex, memory foam or spring mattress without the need for a box spring EASY ASSEMBLY - Get set up fast: the WONDERBOX? ships with all tools and instructions for simple, under-1-hour assembly with a friend, bringing comfort right to your door NO WORRIES WARRANTY - Rest easy with a 5-year limited warranty covering manufacturing defects