Overlock is a new bedding set: pillowcases, comforter cover and matching sheet with double valance with a choice of overlock colors: blue / burgundy / pearl gray / golden yellow. The sets are made of 100% Percale 200 TC cotton. Percale is a variety of very soft and lightweight fabric. It is made of 100% natural cotton fibers, which are woven very tightly to create a strong and durable fabric. The fabric is highly breathable and absorbs moisture, making it an ideal choice for hot or humid climates. 200 TC 100% percale cotton is also very comfortable and durable and can be easily washed and maintained. Percale sheets are free of harmful chemicals and are machine washable for convenience and easy maintenance.