Thomas Toddler Boy's 3 Pc Pajama Sleepwear Top, Pants & Shorts Fabric: Flame-resistant 100% polyester 3 Pc Set: Pajama Top, Pant and Short, Machine Washable Top: Thomas the Tank Engine graphic at striped front, Contrast crew neck and raglan-style short sleeves Pant and Short: Elasticized waist Pants: Allover Thomas the Tank Engine Print