3 years & up. The pajama sets aims to cultivate the creativity, hand-eye coordination, finger flexibility, and imagination of young users! Each of the pajamas fit dolls up to 15 3/4" long. The pajama design facilitates that of baby clothing worn in cold and warm weather, adding realism to your dramatic play! Includes 2 long sleeve onesies, 2 matching hats, 2 shirts, 2 onesies.