Physical Exercise: Encourages Active Play, Promoting Physical Fitness And Overall Health. Water Bottle Dog Toy: The Perfect Playtime Companion For Your Friend. This Innovative Toy Combines The Irresistible Crunch Of A Water Bottle With A Stimulating Tennis Ball Inside, Offering Hours Of Entertainment And Mental Stimulation. Long-Lasting: Designed To Endure Vigorous Chewing, Making It A Cost-Effective Choice For Long-Term Use. Mental Stimulation: The Moving Tennis Ball Provide Cognitive Challenges, Keeping Your Dog's Mind Active And . Colour:Blue Material: Size:S Package Contents: 1 * Dog Toys Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.