1. Cotton 2.Safety Comes First: Made from premium quality cotton, muslin burp cloths is certified to meet Consumer Product Safety Commission (CPSC) guidelines, eliminate all potential risks and provide a soft, breathable, cloud like comfort for your little one. The natural muslin is also suitable for all skin types including sensitive and delicate skin, perfectly use on the face, hand and body. 3.Excellent Absorbent: Featuring 6 layers of absorbent muslin and fluffy structure design, our burping cloths for babies provide maximum absorption with tendor touch, works well to protect your teething from all dribble and spit ups soaking their clothes. Large 20''X10'' size provides maximum coverage and extra layering adds durability, making them ideal for use in any season. 4.Designed for Delicate Baby: Each set comes with 6 vibrant colors that will easily match any outfit, suitable for both boys and girls! Lanyard design make it easy to hang or dry, avoid germs accumulating. Perfect 12 pcs meet your 's different need. Babies and parents will love the vibrant and bold colors burp cloths. 5.Care Without Hassle: Pre-washing technology effectively reduces the shrinkage and reinforced edges prevent unraveling, which ensures the burp cloths can be machine washed and dried at low temperatures, it will still in shape and even get softer after washing several times. We care not only for babies, but also for busy parents!