The KONG Naturals Straw Ring with Feathers is specifically designed to appeal to a cat's drive to pounce on prey. Your cat will find the natural feathers irresistible. The unique ring has a natural crackling sound and lots of nooks for easy snagging. Kong Naturals are ecologically responsible cat toys. All materials and dyes come from natural, renewable resources. These toys are designed to appeal to the natural instincts of the indoor cat. Kong Naturals are more than just cat toys - they're fun with a purpose.