The weight is just for reference, please take a measurement of your dog before buy,thanks.
Size S chest 32cm / 12.6inch; neck 20cm / 7.9inch; fit for weight 1.1-2.2 pounds / 0.5-1 KG
Size M chest 34cm / 13.4inch; neck 22cm / 8.7inch; fit for weight 2.2-5.5 pounds / 1-2.5 KG
Size L chest 42cm / 16.5inch; neck 32cm / 12.6inch; fit for weight 5.5-9.9 pounds / 2.5-4.5 KG
Size XL chest 50cm / 19.7inch; neck 40cm / 15.7inch ; fit for weight 14.3-18.7 pounds / 6.5-8.5 KG
Leash length: 120cm / 47inch
Mesh padded, breathable
Strong velcro closure, adjsutable
Webbing nylon leash with clip,buckle and hoop design
IMPORTANT:Please do not purchase the harness based on the size of another manufacturer/designer.You have to take various measurements into consideration before you purchase this harness.