Blueberry Pet 5 Colors Faux Leather Snake Print Embossed Dog Collar, Navy, Medium, Neck 13-17", Adjustable Collars for Dogs Neck 13"-17, Width 3/4", Size Medium; The collar does not stretch itself, please make sure leave only 2 fingers between collar and dog neck. Faux Leather Dog Collar Wipe to clean dog collar Pet owner supervision is suggested This dog collar is made of PU leather for both durability and comfort