The Sleep On It little and big girl's 3-piece pajama set is made for cozy nights and relaxing mornings. The set includes coordinating sleepwear pieces with a crew neckline and short sleeves for everyday comfort. Mix and match the pieces for bedtime, sleepovers, or lounging at home. Fabric and fit are important safety considerations for children’s sleepwear. Sleepwear should be flame resistant or snug-fitting to meet U.S. Consumer Product Safety Commission sleepwear requirements.