Dimensions: Small ring: ---outer diameter is 7inch/18cm, thickness is 0.98inch/2.5cm, weight: 0.06 kg / 0.13 lb l is suitable for small dog kittens Tear-resistant elastic material: our large dog rings are soft and elastic, which can be used to train the reactions of dogs. dogs to throw, catch, grab, pull, tug, etc., without harming teeth and teeth. gums, and can also be used as a dog teether to help dogs develop. Good Chewing Habits. Water Toys: This fitness ring floats in water, not only great on land, but also playable in swimming pools, rivers or lakes. BUILDING A RELATIONSHIP: This pet agility set can help foster the bond between pet owners and pets while teaching them new tricks that benefit both you and your pet. > Humanized design: This product adopts ring design without sharp edges, so you don't have to worry about scratching your fingers; and it is very easy to clean, just wipe it with water or a cloth.