Hope more cat lovers will recognize our products and bring happiness to your fur babies. Material: fabric + feather + PP, PVC bag, bird size: 13 * 4.5 * 6cm. Built-in movement, imitating animal sound, built-in 2 button batteries. Cat Go Crazy: Can emit a realistic bird song when touched, stimulating the cat's hunting instinct and beckoning every pat, bite, chew, and chase! A cat teaser stick to tease your cat, it will drive them crazy! Hyper Simulation Design: It has a built-in birdsong mechanism and supports up to 10000+ chirps. Tying it to a cat teaser stick or hanging it on a doorframe or cat climbing rack, swinging around, is a fatal temptation for your cat! Cat's Favorite: Birds are cats' favorite hunting targets. Give them this set of toys to express your love on a daily basis, or on the occasion of Thanksgiving, Christmas, or New Year! Teasing cat bird toys can repair your furry baby's melancholia and increase the amount of exercise. They will still keep your cat active and occupied even when you are busy or out.