A sofa can be transformed into a mattress. That is the design concept of the PS30/IQ PUZZLE SOFA. Children can enjoy various puzzles with the product. Two connected sofa frames and ten puzzle blocks compose the PS30/IQ PUZZLE SOFA. It is 160 cm wide, 140 cm long and 20 cm high. The frame of the sofa is steel-reinforced to support its interior components and it weighs 22 kg. A PU cover is used as an exterior, posing no health hazard to children. It is a non-toxic material, totally free of formaldehyde. Thanks to the polyurethane cover, it is waterproof and stains or dirt can be easily removed by applying a wet cloth.