Thank you for looking! (*^^*) This is a cat toy♪ Approximately 3-4 cm Handmade, so they are not uniform. Set of 5 Does the tail stimulate a cat's instincts!? My rescue cat brings it to me, holding it in its mouth and saying, "Throw it!" ((*^^*) If you purchase a collar together, we will apply a combined discount♪ Cat toy / Kitten / Rolling / Present / Play /