Tried and tested item: NatureMark premium jersey fitted sheet for waterbed and box spring mattresses Excellent fit thanks to 5% elastane content, the fitted sheets are suitable for a base height of approx. 40 cm High quality opaque quality, size: 180 x 200 to 200 x 220 cm, material: 95% cotton and 5% elastane in premium quality approx. 195 g/m² Care instructions: washable at 60°C and can be ironed, wash dark colours separately Tested branded product: certified according to Oeko-Tex Standard 100 and shrink-proof thanks to Sanfor-Knit