Dura Chew Bacon Plus.. This Nylabone Dura Chew Plus is a multi-textured bacon flavoured chew for your four legged friend.. It is perfect for keeping your dog happy for hours and is washable too so you can easily rinse it off if it gets buried somewhere.. Made from durable Nylon, the Dura Chew Plus, with its irresistible bacon flavour, discourages destructive chewing and promotes appropriate, healthy chewing.. Sizes:. Medium 6" for dogs up to 35lbs.. Large 7.5" for dogs 50+ Lbs.