KARUP - Futon mattress Traditional - White - Mixed-fibre; KARUP Futon mattress White Textile. Dimensions: 180 x 200 - Thickness: 13 cm. Why choose the Traditional futon mattress?Firm comfort inspired by traditional Japanese beddingGreater density and thickness than conventional futonsA 100% Natural cotton cover with an authentic feelA handcrafted product made in EuropeA Japanese futon revisited with eleganceSleek, refined and true to its minimalist aesthetic, the Traditional futon mattress combines Japanese heritage with European know-how. Its 13 cm pr