Dixon Earth Golf Balls (One Dozen) It is 100% recyclable and enhances perfomance Each dozen comes with a return mail pouch to take advantage of Dixon's $1.00 per ball recycling incentive program Dixon Earth outperforms even some of the best three-piece balls on the market in competitive tests Dixon Earth does not use harsh heavy-metal pollutants like tungsten, cobalt and lead Even the packaging of the Dixon Earth is made from 100% recycled material