KONG Naturals Straw Ball Teaser is specifically designed to stimulate the stalking and hunting instincts of your cat. The unique straw weave has lots of nooks for easy snagging, and the natural feathers add to the interactive fun.KONG Naturals are ecologically responsible cat toys. The materials and dyes used come from natural, renewable resources. Size approx: ring 2.5in diameter with feathers 6in total length approx.