A harness in size M. The strap is 19 mm wide and fits a medium-sized Spitz perfectly, for example.
 Mass:
 A 9 cm
 width 20 cm
 C 17 cm
 D 36-43 cm
 If necessary, the harness can be made smaller or the color of the rigging can be changed. Please state your dog's measurements/requests in the comments.