The image has been hand screen printed on a Bella + Canvas t shirt (52% cotton/48% polyester). The designs are heat set after printing to insure durability. Bella + Canvas Sizing Info (laid flat, in inches) Small: 18 width, 28 length Medium: 20 width, 29 length Large: 22 width, 30 length X-large: 24 width, 31 length XX-large: 26 width, 32 length