Heavy-Duty Nylon Chew Bones for Aggressive Chewers – Durable Teething Toys for Medium-Large Breeds, Interactive Dental Health & Boredom Buster is up for auction in Pet Supplies. The current bid is $3.50, 57% below the $8.09 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.