Insum 12-Pack Advanced Training Tennis Balls for Beginner Practice, Pet Dog Tennis Balls with Mesh Bag for Easy Carry

Specifications --- 12pcs, diameter 2.5'', weight 60g, bounce height: 135cm~140cm high, dropped from a height of 250cm. Durable Material --- To creat more than others,surface utilize premium felt and acrylic for excellent bounce and durability. Easy To Carry --- We provide a collapsible mesh bag for easy carrying and recycling during daily training. Multiple Uses --- Not only is it an excellent training ball, but it is also the dog's favorite playmate. Of course, you can even cut it and put it on the pesky stool to make it less harmful to the ground. Until You Are Satisfied --- we will aways to provide you with any help, and provide free replacement services for quality problems.