Double Ikea Sultan Hogbo mattress ?

Double Ikea Sultan Hogbo mattress Queen size Length: 189 cm Width: 135 cm Thickness: 20 cm Features: Bonell spring unit/ Cross spring: Steel Comfort material: Polyurethane foam 25kg/cu.m., Polyester wadding, Felt liner Ticking: 76% cotton, 24% polyester Used item, few years old now, sold as seen 20 ono.