The Holes In This Dumbbell Are Big Enough For Treats To Go Into, But Small Enough To Challenge Your Dog. Stuff With Your Dogs Favorite Treats For Hours Of Mental Stimulation. These Toys Are Designed To Keep Your Pup Busy And Distract From Destructive Boredom Tendencies. This Toy Is A Great Outlet For A Teething Puppy Or Just Dogs Who Need To Satisfy Natural Instinct To Chew.

Your Dog Will Get Hours Of Fun All While Promoting Healthy Chewing Habits. This Toy Is Lightweight And Allows Air To Flow Freely So Your Dog Can Breathe Comfortably While Fetching And Playing. Because The Toy Is Made With Thermoplastic Rubber (Tpr), It Is Great For Throwing, Bouncing, And It Even Floats In Water. Made From Flexible, Durable, And NonToxic Thermoplastic Rubber (Tpr)