Made of 100% cotton for cozy softness pj's are designed to fit snug for child's safety gentle elastic covered waistband on pant provides a great fit and easy to pull up and down for changing diaper or learning to potty train extended cuffs on sleeves and ankles for a great fit easy to care for machine wash and dry assortments include allover prints and, or solids with embroidery details on top available in sizes 18 and 24 months, 3t, 4t and 5t