The Mattress Protector is made exclusively to fit the unique shape of the Stokke® Sleepi™ Mini and bed, 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.