1、Premium Material: Hanging door interactive cat toy is made of premium felt, elastic cord material, felt kitten shape, soft to the touch, safe and durable. 2、Suitable For: Retractable cat teaser toys are suitable for playing, exercising, trainning, hunting and chasing. 3、Built In Catnip: Hanging door self play cat toy comes with catnip inside, double attraction for cats to play, easy to install, easy to remove. 4、Adjustable: Funny cat teasing toy comes with an adjustable buckle, through which the length of the elastic cord can be adjusted, thickened elastic rope, pulling back and forth is not easy to break. 5、Non Marking Hooks: Interactive cat toys use non marking hooks that can be easily installed, which can help cats relax and reduce their anxiety, stress and boredom.