SIZES:
Small/Medium best for 14 lbs to 40 lbs (2 ft shorter than the M/L)
*can scale down as small as 10 lbs, but functions best on 14 lbs and up
* APPROXIMATE Leash length from back to handle:
14 to 20 lb dog is 6 ft; 20 to 30 lb dog 5 ft; 30 to 40 lb dog 4 ft.
*S/M can go up to 100 lb dog but length will be under 4 ft.
*3/8 diameter thickness
Medium/Large best for 40 lbs to 170 lbs (2 ft longer than the S/M)
*M/L will fit smaller 40lbs, but length will be over 6 ft
*APPROXIMATE Leash length from back to handle:
40 to 60 lb lb dog is 6 ft; 60 to 90 dog lb 5 ft; 100 to 120 lb dog 4ft; 130 to 170 dog 3 ft.
*7/16 diameter thickness
