Features: Sound toy: It emits a sound when touched, attracting the cat's attention and encouraging positive interaction, and can attract cat to play and exercise. Refillable Catnip: The plush balls are refillable with catnip, adding an alluring elements that appeals to your cat's natural instincts and curiositys.STURDY CONSTRUCTION: Its soft yet sturdy construction allows cat to pounces, hit and chases safely, promoting physical activity and mental stimulations. INTERACTIVE TOY: This interactive toy provides hours of entertainment for cat, helping to prevent boredom and promote overall health.GREAT GIFT: This cat toy makes a great gift for cat lovers on Christmas, Thanksgiving, birthdays and other holidays. Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurement Description:Material: polyester fiber/PP/siliconeSize: Diameter: 55mmBattery: LR41NOTE: Catnip not included