The Rumparooz (Rumparooz) One Size Cloth Diaper Cover is designed to grow with your baby. Rumparooz Cloth Diaper Covers are generously sized and fit over any fitted or prefold diaper. Covers may be used multiple times before washing. Cover should be placed into the laundry if it become soiled. When wet, the Rumparooz Diaper Cover can be wiped dry. The Rumparooz One Size Diaper Covers have 4 adjustable rise settings that are designed to fit your baby from birth to potty training with 1 cover. Weight range of cover stars at 6 lbs and will fit up to 35+ lbs.