Muslin Cotton Muslin Cotton: Our pack n play sheet is made of muslin cotton, with a smooth surface and comfortable touch, features a light drapability and rigidity, suitable for your baby's delicate skin, and let your little one have a better sleep. 39"x27"x3": The pack and play sheets are designed to fit Pack and Play Mattress and Mini Cribs, making them easy to use and compatible with most Pack and Play Mattress and Mini Cribs. Easy to Clean and Maintain: The playard sheets are machine washable and dryable, making them easy to clean and maintain. This is a great convenience for busy parents, and helps to keep the sheets looking and smelling fresh. Versatile Style: Available in a range of colors to complement any nursery decor. Good Gift Option: It can be a thoughtful and practical gift for new parents or parents-to-be that can provide a safe and comfortable place for a baby to sleep. Pack and Play sheets are a nursery essential, providing a soft, comfortable surface for your little one to sleep on. These fitted sheets are designed to fit snugly over a standard crib mattress, ensuring a secure and cozy sleeping environment. Made from high-quality, breathable materials like cotton or microfiber, they allow proper air circulation and regulate temperature, keeping your baby cool in the summer and warm in the winter. With a wide range of colors and patterns available, you can easily coordinate them with your nursery decor. Pack N Play sheets are machine washable for easy cleaning and maintenance, ensuring a fresh and hygienic sleeping space for your precious bundle of joy.