Babyroom Little Boys Dinosaur Cotton Long Sleeve Pajama Set Size 2T-7T. Material:100% Cotton,Long Sleeve Shirt + Long Pants If your child is above average, you can buy one or two bigger size; For fire safety, These pajamas should fit snugly Machine Wash Warm, Inside Out,chick "babyroom" to our store,we have many pajamas for your choose; Top and bottom are made of soft cotton.