The leash features a one size fits all design that's suitable for dogs up to 110 lbs and includes a 16 foot length with built - in locking mechanism. (petpeoplesplace.com)
As a general guide, use the following chart of baby shoe sizes, which shows foot length matched to each approximate age. (care.com)
A 10 -15 foot length of clothesline works great to start with. (fcrsa.org)