T-shirt using cotton combed 30s. For screen printing use plastisol. Distro standard quality t-shirt. Soft material and not hot. The quality of the screen printing is not easy to fade and peel. Don't run out of stock. When ordering, please state the size for the child. Size chart: Length X Chest Size M: 69cm X 48cm Size L: 71cm X 49cm Size XL: 74cm X 52cm Size XXL: 76cm X 55cm *tolerance 1-2cm **Before buying, you should first measure your chest circumference, body length and Mom & Dad's baby sleeve length. So that there are no errors in the selection of sizes. ***Chat the admin first to make sure the stock is still available. thanks bb