Alize Hi-Rizer MattressA Pop-Up Bed at your fingertips. The Alize bed system houses an extra mattress inside. An easy to use mechanism allows you to pull it forward and upwards for an extra bed whenever you need. The spare bed comes up to the same level as the main bed and mattress allowing you to use it as a two person bed if needed. The Alize High Rise is made of all quality materials with world renown Bonel Spring System layered with thick felt non-woven foam and stylish quilted layers wit h a beautiful jacquard fabric covering. With the lower mattress tucked away out of sight you can use this bed as a single twin or pull it out at floor level for trundle style or fully raised for king size. *This product meets California Regulations for US Flammability Standards. All mattresses are FR 1633 Compliant.Bonel Spring System: Developed for those who want semi-stiff mattress. This system is extensively used throughout the world. Keeps its quality for long years without getting deformed . Made of high carbon steel wires. Resistance is increased by heat treatment during manufacturing. Interior is mad of springs interconnected with spiral form steel wires.About Sunset International Trade LLCIn 2001 Sunset International Trade LLC was established to provide value-based high quality home furnishings for the US market. Their Istikbal Click-Clack convertible sofa sleepers combine style versatility and extra storage space making them the ideal spare bed for any household. The Paterson New Jersey-based company operates a 31500-square-foot warehouse and employs a fleet of delivery trucks to ensure speedy efficient service