monster k9 dog toys monster k9 aero disc | for toughest chewers. lifetime guaranteed | vulcrontm natural rubber | made in usa | k-9 tested | durable flying dog toy for aggressive chewers | tug & fetch | med/large, 8.5" is up for auction in Pet Supplies. The current bid is $1.00, 95% below the $21.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.