Perfect Tiny Dog Collars-Leather Pocket Pups Dog Collars with Pearls. Perfect dog collars for the pocket size toy or teacup breed pup! Colorful leather collars and leads feature nickel silver hardware. There are 13 beautiful leather colors to choose from and each dog collar has beautiful faux pearls around the back of the collar. These fancy little dog collars are made smaller than even some of our cat collars just for teacup dogs. Collars are 5/16 inch to 3/8 inch wide and available in 3 tiny sizes to fit 5-7 inch neck, 7-9 inch neck and 9-11 inch neck. Please measure your pup's neck in order to get a good fit.