KONG Naturals Crinkle Cat Toy, Natural fabric, Enticing crinkle sound, Pattern Name: Ring Pet Supplies / Shops KONG Naturals are ecologically responsible cat toys. All materials and dyes come from natural, renewable resources. KONG Naturals Crinkle are specifically designed to appeal to your cat's natural hunting instinct. The crinkle sound instantly sparks curiosity, and the combination of natural fabrics. And catnip will provide hours of exercise and entertainment.