Set Includes Protection sheet Features Made exclusively to fit the unique shape of the Stokke Sleepi, this innovative sheet protects your little roommate's mattress from those inevitable accidents and messy spills Waterproof, it prevents liquids from being absorbed by the mattress to help maintain a fresh, clean place for your baby to sleep & dream 3D mesh ensures optimal airflow and best of all, it's machine washable Certified Standard 100 by Oeko-tex #976-15101 by annex 4 Standard 100 by Oeko-tex certified products have been independently tested for harmful substances according to strict global criteria Specifications Suitable for children from 0 months to 5 years Compatible with the following (sold separately): Stokke Sleepi V3 Bed Mattress Manufacturer's 1-year warranty