Expertly crafted to fit standard crib mattresses (28″ x 56″), with deep pockets and stretchy elastic edges for a snug and secure fit. Made from Muslin Cotton, known for its exceptional breathability and luxurious softness, our fitted sheets guarantee a night of pure comfort and relaxation. These sheets are also 100% certified organic by the Global Organic Textile (GOT) certification, meeting rigorous standards for purity and sustainability. They are easy to clean in the washing machine with warm water (90F), and can be safely dried at a low temperature.