100% Polyester Steven Universe Characters design. Steven Universe Ruby and Sapphire is 100% authentic, officially licensed Cartoon Network merchandise! Steven Universe is an animated series on Cartoon Network about a group of interstellar beings known as Gems. Steven (who is half human, half Gem) is slowly discovering the vastness of his powers and his place in protecting the universe. 100% spun-polyester fabric Double-sided print Filled with 100% polyester and sewn closed Individually cut and sewn by hand Spot clean/dry clean only