This oval mattress protector is designed specifically for use with Boori Oval Cots. It has a soft cotton cover and is both breathable and waterproof, providing your little one with a comfortable sleeping environment whilst protecting your mattress from any stains.Elastic sides ensure a secure fit around our oval mattress, and durable construction makes this mattress protector machine washable for easy cleaning.Ensure fitted sheets and mattress protectors are fitted snugly, and blankets are properly tucked into mattress sides. Do not leave cushions or toys in your baby's cot when unattended. Only use quilts, thick blankets and pillows for babies over 12 months old.