Tough rope is knotted into a heavy ball and attached to a handle Ideal for aggressive chewers Chewing rope helps improve oral hygiene by helping to clean teeth Length 17", knot size 3.75" Satisfy Your Dog's Urge To Chew! These Zanies Monkey's Fist Knot Rope Toys are constructed ...Tough rope is knotted into a heavy ball and attached to a handle Ideal for aggressive chewers Chewing rope helps improve oral hygiene by helping to clean teeth Length 17", knot size 3.75" Satisfy Your Dog's Urge To Chew! These Zanies Monkey's Fist Knot Rope Toys are constructed from tough cotton rope, knotted into a heavy ball and attached to a long handle for tugging or throwing. Designed to be a rugged knot for sailors, they're ideal for aggressive chewers and will really stand up to abuse. The twisted rope helps to clean teeth for improved oral hygiene.