The coziest two-piece pajama set in super soft Pima cotton means sweet dreams for your toddler! Designed to fit slim and snug with snaps at shoulders for size 12M and 18M. * Snaps at shoulder for sizes 12M and 18M for easy changing * Made of 100% Peruvian Pima cotton for luxurious softness and durability * Machine wash cold. Dry flat or tumble dry low. * Very snug fitting - we recommend sizing up by 1-2 sizes* Our pajamas sets fit very snug to comply with the Consumer Product Safety Association. We do not use chemicals or flame retardants.