Marvel Design: These boys grip socks feature Spiderman superhero design made of 97% Polyester & 3% Spandex for comfort and durability Care Instructions: Machine washable socks require inside out washing in cold water and tumble dry to preserve the graphic design Grip Technology: Non-slip grips on the bottom of socks provide traction and stability for active children Pack Contents: Set includes 5 pairs of crew length socks featuring Spiderman and Venom character designs Size and Fit: Crew length socks designed specifically for boys with comfortable elastic top to stay in place