Note:

XS-neck 21-28cm,length 30cm,width 1.0cm,suit 1.5-3.5kg

S-neck 27-33cm,length 38cm,width 1.5cm,suit 3-7.5kg

M-neck 31-38cm,length 42cm,width 2.0cm,suit 7-15kg

L-neck 35-45cm,length 51cm,width 2.5cm,suit 14-20kg

XL-neck 39-52cm,length 58cm,width 3.0cm,suit 19-31kg