6.6cm/2.62in Large Size Pet Smart Bouncing Ball, Motion Activated Dog Ball, Suitable for Automatic R Battery Included:Yes whether electrical:Yes Hign-concerned Chemical:None Is Smart Device:No Set Type:Yes Toys Type:Chew Toys Type:Dogs Pet Smart Bouncing Ball Large Pet Bouncing Ball Motion Activated Dog Ball Automatic Rolling Pet Ball Toy Large Size Pet Interactive Ball Smart Bouncing Ball for Pets Dog Ball with Motion Activation A smart play real specially designed for dogs Healthy, Repeated multiple horizontal jumps You're not here. I've got this to keep me company. Color: As Shown Material: ABS Package Contents: 1 * pet electric toy set 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.