Swaddling Blankets, Set of 3 100% Cotton, Moro Reflex Prevention, Prevents Chilling of the Abdomen For newborns to 3 months old Used when the baby wouldn't sleep because of flailing arms and legs No stains. Slight pilling on the Velcro, but there are no problems with use. Please refrain from purchasing if you are overly concerned about minor imperfections.