The Snuzpod 4 mattress is designed for breathability, comfort, and firm support, featuring a 3D breathable mesh surface and a removable, washable cover for easy care. Providing the ideal firmness for newborns as recommended by experts Features 3D Breathable mesh surface Removable and washable cover at 40 degrees Firm support for baby, as recommended by industry experts From birth to 6 months Waterproof mattress protector required Certified and the perfect fit for SnuzPod Dimensions SnuzPod4 Crib Mattress Size: 40cm x 75.5cm x 3cm SnuzPod3 and 5, and SnuzPod Studio Mattress Size: 44cm x 80cm x 3cm SnuzPod2 Crib Mattress Size: 36.5cm x 80.5cm x 3cm Weight: 1kg Materials Cover: 100% Polyester Filling: 100% Polyurethane Foam Complies with BS EN 16890: 2017 / BS 7177:2008 + A1:2011