This is the ultimate ONE OF A KIND CUSTOM MADE rockin' tee for your pet. Constructed from a THE WHO Concert Tee, added blue sleeves and blue collar. Designed to fit a size X-LARGE pet (Weight 15-20lbs). Sizing differs from other designers, so be certain to review the sizing guide below, and measure your pet  prior to placing your order.

 

                                          x-small     small         medium         large         x-large
weight (lbs)                         2-4           4-6            6-9             10-13       15-20
back (inches)                      7-9           9-11          11-13         13-15       15-18
chest (inches)                    10-11        11-13         13-15         15-17       17-20

Sizing is approximate and may vary from dog to dog. 
back -measure along your dog's back from the base of the neck to the base of the tail
chest-measure around your dog's rib cage, at the largest part