The KONG Classic is the gold standard of dog toys.Offering enrichment by helping satisfy dogs’ instinctual needs the KONG Classic’s unique natural red rubber formula is ultra-durable with an erratic bounce that is ideal for dogs that like to chew while also fulfilling a dog’s need to play.Great for stuffing with KONG Easy Treat; Snacks or Ziggies.Made in the USA. Globally Sourced Materials.