KONG Puppy Dog Toy, Medium, Assorted Colors Sturdy, durable toy for teething puppies that helps deter misbehaviors Stuff with KONG treats or ZIGGIES to aid in crate training and decrease separation anxiety. Eases sore gums, promotes healthy jaw development, and teaches appropriate chewing habits Made in the USA of nontoxic, extremely durable natural rubber Measures 3 /14 inches by 2 inches, for puppies 15 to 35 pounds