Oliver Cuir Pug Dog Collar Blue Fabric/Leather.
Hounds tooth patterned fabric with leather on the underside (Not sure if it is genuine leather)
Metal pug charm
M&K is stamped on the metal buckle
 
7 3/4" from buckle to 1st hole
8 3/4" from buckle to last hole
Total length excluding buckle = 10 1/4" x 1/2" wide