When it comes to nighttime accidents, we’ve got you covered. Luxury cotton sandwiches a waterproof layer crafted from a certified waterproof membrane. The cotton absorbs any accidents, keeping your baby clean and dry for a comfortable night's sleep. FEATURES: Luxury cotton Suitable for Snuzpod 4 cribs mattress Helps prevents accidents Suitable from birth to approximately 6 months Inner: 100% Polyurethane Membrane Outer:100%Cotton DIMENSIONS: 75.5 x 40cm