Let the Stokke® Sleepi™ Mattress by Colgate lull your little one into a peaceful sleep. Rated #1 Polyurethane foam mattress on Consumer Reports, this mattress is the ideal support for your baby. Designed to fit the Stokke® Sleepi™ Bed, this mattress is firm, strong and durable with a non-toxic cover and waterproof backing. Compatibility Stokke® Sleepi™ bed Dimentions 3.346" H × 26.772" W × 48.032" L Sleepi™ Mattress by Colgate