Each of these three perfectly sized and very attackable mice are packed full of pure catnip. Your cat wiill have hours of fun with these mice. The catnip is produced without chemicals or pesticides and the fiberfill is made from 100% recycled plastic. Producer Worldwise Inc, the company behind the SmartyKat range is right up our alley. For almost 30 years their mission has been to make environmentally responsible products that pets love and that cost no more than conventional products. Worldwise products typically include recycled, reclaimed, renewable resources, or certified organic ingredients. The SmartyKat range is known for it's innovative products, stylish designs, environmental responsibility and affordability.