The designs are printed directly onto the garment fibers using DTG Method (direct to garment), making design ink merge into and becomes part of the garment itself, this helps the printing area light and causes no heat around when being used. This printing method also ensures a long-lasting, durable graphic over washing. ADULTS' T-SHIRT - SWEATSHIRT - HOODIE: 100% of cotton for Tshirt and 50%-50% cotton-polyester for Sweatshirt and Hoodie INFANT BODYSUIT - TODDLER TEE - YOUTH TEE: 100% combed ringspun cotton All products are returned or exchanged only if the seller makes mistakes of sending the wrong sizes, wrong shirt type, products of wrong designs or blurred designs. SO PLEASE CLOSELY SEE THE SIZE CHARTS TO CHOOSE YOUR BEST FIT!