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 15.75" 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.