High-Quality Design: This 4-piece boys pajama collection includes 2 matching sets of shirts and shorts. Our pajama sets always have a loose-fitting cut for optimal comfort and freedom of movement, along with an elastic waistband to keep the shorts fitted and secure Flame Retardant Material: All our clothing is made from 100% Flame-Retardant polyester material, which we ensure meets the highest standards of government and environmental safety regulations Soft and Comfortable: This lightweight yet cozy fabric is perfect for sleeping and lounging around the house throughout the warm summer months. Prepare for your own family’s relaxing season with a set of cool pajamas, or give them as a summertime gift that any boy will love! The Perfect Set: We offer a broad variety of cool colors and patterns, along with awesome illustrations and logos. Our cool shark illustrations and tough-guy slogans will make getting ready for bedtime your boy’s favorite part of the day! Machine Washable: Machine wash cold, tumble dry low. Simple and easy to clean! Each Sleep On It pajama set comes in a wide variety of styles, colors, and designs that your boy will love. With a choice of awesome illustrations that include a ferocious tiger, a cool shark, and the NASA moon landing, you’ll be sure to find the boys pjs that are perfect for his personality and interests!