2-piece boys' set. The set includes a long-sleeved t-shirt made of cotton jersey fabric with a rhinoceros print. It's designed to look like two t-shirts are layered on top of each other. The matching cotton sweatpants have a low-crotch design, elasticated waist and ankles, a kangaroo pocket at the front, and an adjustable drawstring waist. They also have two side pockets. All Denokids products are manufactured in accordance with Child Safety Regulations. To ensure your child's skin is not harmed, all products are passed through metal detectors capable of detecting broken pins. 100% Cotton.