bumGenius Freetime All-In-One One-Size Cloth nappies feature the butterfly closure system to provide a comfortable, trim fit. This simple design makes cloth nappies as easy as using disposables. Iideal solution for families with a child in day-care or family members resistant to cloth nappies! Using the snaps on the front of the nappy, adjust the size if needed, put the nappy on your baby, wash, dry and re-use. No extra steps. No stuffing. No cover required. These one-size nappies are designed to fit most babies weighing between 7 and 35 pounds.