KONG Cat Wubba is specifically developed to appeal to a cat's instinctive desire to stalk and capture prey. All Cat Wubba toys have a rattle sound and are infused with KONG's premium North American catnip for added attraction. The unique tails make a crackle sound that rewards contact and encourages continued play. Cat Wubba toys stimulate senses of sight, sound, smell and touch. Unique fabric invites on-going solo play while a durable fabric lasts longer. Long body encourages kicking instincts. Rattle in top and crinkles in tails keep cats engaged. KONG Premium North American Catnip extends playtime. Available in assorted colors. Inspect products frequently. Supervised use only. Discontinue use if worn, loose or torn pieces occur.