The Koala x Bluey Snoozytime Mattress is a children's mattress standing 15 cm tall with a 4cm Kloudcell comfort layer and pocket springs for growing bodies. It features a washable topper, water-resistant protective layer, antimicrobial additive to help prevent mould and bacteria, and exclusive hidden Bluey character artwork to discover. Foams are CertiPUR-US certified and textiles are PFAS-tested. It fits most kids bed frames, bunk beds, and trundle beds. It comes with a 10-year warranty and Koala's 120-day trial.