Classic retrieval: The Coachi Training Dumbbell is a classic toy and great for all types of retrieval training, including gun dog training. It's perfect for puppy training too! Floats: The Training Dumbbell is very buoyant and floats in water, making it easy to see and retrieve, great for water loving dogs who love to play! Retrieval: The Coachi Training Dumbbell is perfect for all retrieval practice, the classic design and weight make it a great addition to your dogs toy collection! Perfect FOR everyday play: It is great to use for all dog and puppy training, exercise and play. Super tough: This versatile Dumbbell is super tough and durable, great for lively puppies and dogs who love to retrieve. Size Medium (Length 14cm)