-Material:Cotton,Polyester -Because of different measurement methods, Pls allow 2-3 cm of error. -Real color may slightly different from pictures due to computer screen's resolution, brightness, contrast etc. Hopeunderstanding. Have a nice shopping day! -If you do not know the size of the baby, we recommend to buy the product according to the height of the baby. -If you like this item,please add it to your ''Wish List'',If you like our store,please add it to your ''Store List''.Thank you very much!!! Size Chart Size Label 6 to 12M 90 12 to 24M 100 2 to 3 Years 110 3 to 4 Years 120 4 to 5 Years 130 5 to 6 Years 140 7 to 8 Years 150 Boys Casual Pants Solid Toddler Kids Clothes Children's Trousers for Boy Pants