The Rumparooz Cloth Diaper Covers One Size 3-Pack in Green, Blue, and Black are designed for use with cloth diapers, providing a waterproof barrier to help prevent leaks. Made from polyester, these covers are durable and easy to clean. With an adjustable size to fit diapers weighing 6-35 lbs, these covers are a convenient and eco-friendly option for diapering your little one. Made in China, these covers are a practical and stylish addition to any diapering routine. Smoke free home.