This Bacati - Ikat Set of 4 100% CottonMuslin Swaddling Blankets set includes four oversize swaddling blankets. These blankets are made from lightweight Breathable prewashed Cotton muslin Fabric which helps reduce the risk of overheating. They have multiple uses - swaddling burp cloth tummy time blanket nursing and stroller cover changing pad cover and much more. The 100% Cotton Breathable muslin Fabric is Machine Washable and gets softer with every wash.