5 holes adjustment
Harnesses:
Fits Neck Size 17" - 24" (45-60CM)
Fits Chest size (behind front legs) Size 26"- 34" (65-85CM)

Collars:
Small Size Fits Neck 15-18", 2" Wide, 20" Length

Medium Size Fits Neck 17-20",2" Wide, 22" Length

Large Size Fits Neck 19-22",2 " Wide, 24" Length

X-Large Size Fits Neck 21-24",2" Wide, 26" Length

Leashes:

48 inches length    3/4 inches  wide




Note: Before you order,Be sure your dog's neck is suitable for this size (That's very important).

Package Included:

1 x  Dog Harness+Collar+Leash set