This reversible blanket is made using 100% cotton with a cozy flannel on one side and a smooth cotton print on the other. This blanket provides plenty of warmth with out being too hot. Sized at approximately 2 1/2 ft x 2 1/2 ft, this is great as a receiving blanket or to use with car seat adventures. All materials have been pre-shrunk and may be machine washed and dried. It will most likely need a lot of washing as its perfect to lay on the ground for an indoor or outdoor play mat as well.