From the Dr. Seuss Infant/Toddler Accessories Collection. One Fish Two Fish Cloth Diaper Cover. Perfect for use over a prefold or fitted diaper for comfortable, lightweight, waterproof protection. Quick drying and versatile, this colorful cover may be combined with any absorbent diaper and reused without washing for multiple changes as long as it is not soiled. One size fits most infants 9-35 pounds, with three snap-downs on the front that allow you to easily adjust the size of the diaper as your baby grows. Hand or machine wash hot water, hang dry.