Nylabone Dura Chew Double Bend. The Nylabone Dura Chew Double Bend has ridges and nubs to keep your Dog entertained for hours on end. Made from durable Nylon, this chew with added bacon flavour will discourage destructive chewing whilst promoting healthy chewing. Your Dogs natural chewing action raises small bristle-like projections that help clean teeth and control tartar build up. Please supervise your pet's play and replace toys when worn.   Size guide: Petite, Suitable for dogs up to 15 Lbs. Wolf, Suitable for dogs up to 35 Lbs. Souper, Suitable for dogs 50+ lbs.