This is a very handy, quality, USA-made nylon rope slip lead.  Great for toilet trips prior to and after the groom, as you don't need to clip the collar back on first.  Easy over the head for instant control.  NB: These are not designed as a recreational dog walking leash.

Extra Strong - Manufactured from braided poly "ski type" rope. Loop is bar-tacked for extra strength. 
Extra Long - Approximately five feet long. Six feet of rope used to make each lead. Weaved in nickel plated ring. One size fits all animals.
Extra Durable - Abrasion resistant, will not absorb liquids, colour fast.

Ideal for groomers, kennels, vets, shelters and rescues.