These Muslin Blankets are 100% Cotton and as soft as butter. The best thing about muslin is it gets softer the more it is washed. These swaddles are designed with both parents and babies in mind. Modern and gender neutral - yet adorable designs are great for every age. The lightweight fabric is perfect for swaddling, nursing, or use in the car seat making it a baby essential. The muslin swaddle blankets measure 47"x47".