4BF (For Best Friends) produces the best quality non-toxic natural rubber pet toys on the market. The ideal formula for our best friends to chew, throw, hunt, bite and play without worry. 4BF toys are manufactured by their parent company Grupo 201 Official, one of the world's leading producers of natural rubber products with experience in balls for professional sports. Each 4BF toy is tested by mini to giant breed pets (puppy to adult) to ensure long hours of safe, healthy, and interactive owner and pet play.