Hudson Baby pajamas are comfortable and cozy for all-day, everyday wear around the home. Our pajamas are made of 100% cotton. For child's safety, garment should fit snug. This garment is not flame resistant. Loose-fitting garment is more likely to catch fire. Our pajamas are snug fit and flame retardant-free. Hudson Baby Infant, Toddler and Kids Boy Cotton Pajama Set, Royal Safari is a great baby, toddler and kids essentials set.