The inner leash, made of Softouch polyester, provides extra comfort for the pet.Made of Duraflex, a lightweight and durable material.The buckles placed on the sides, prevent chafing.Prevents possible injury to the pet by sudden stretching.Easy to put on and take off.Makes walking with two dogs easy.

Mini-Size B (chest size) adjustable from 30 to 42 cm, 2 to 5.5 kg Chihuahua, Miniature Pincher

XS -Size B (chest size) adjustable from 41 to 52 cm, 5.4 to 9.1 kg, Shitzu, Italian Greyhound, Boston Terrier

S -Size B (chest size), adjustable from 50.8 to 62.5 cm, adjustable from 50.8 to 62.2 cm, 9.5 to 15 kg, Pug, Jack Russel, Whesty

M- Size B (chest circumference), adjustable from 61 to 71 cm, 15.5 to 27.5 kg, Cocker Spaniel, Border Collie

M/L 3/4" -Size B (chest circumference), adjustable from 66 to 81 cm, 18 - 32 kg, Sharpei, Australian Shepherd

M/L 1"-Size B (chest size), adjustable from 68 to 82 cm, 20 - 33 kg, Boxer, Pittbull, Labrador, Golden Retriever

L 3/4" -Size B (chest size), adjustable from 78 to 101 cm, 31 - 59 kg, Greyhound

L 1" - Size B (chest size), adjustable from 81 - 101 cm, 34 - 59 kg, German Shepherd, Rottweiler, Bernese Mountain Dog

XL - Size B (chest size), adjustable from 99 - 127 cm, 60 - 90 kg, Saint Bernard, Mastiff, Mastiff

Mastin