95% Solid Cotton/ 5% Spandex Jersey Imported Button closure Toddler Summer Pajama Sets made of soft cotton jersey knit, soft, breathable and skin-friendly feel. Size: 6-12Months, 12-24Months, 2-3Years, 3-4TYears, 4-5Years, 5-6Years. Two-piece Classic PJ sets design with casual style, loose fit and lightweight, great as a sleepwear or lounging at home. Feature: Sleep Shirts–Notched collar, short sleeve, full button front closure, one chest patch pocket, contrast piping trim. Shorts–Lightweight knit straight fit shorts with elastic waistband. Machine Washable, Tumble Dry Low.