Light, 100% cotton, open weave fabric allows constant air flow allowing babies temperature to adjust naturally. Comfy Muslin fabric is designed to become softer each time it is washed. Our EXTRA Large Size 1.2 x 1.2 m. Each Swaddle is large enough to be used as a pram cover, burp cloth, tummy time blanket, nursing, and much more. Paired with Pram pegs, these are a great way to keep the muslin attached to the pram, protecting little one’s when out and about.