Adjustable high strength Double Back dog collar by Ruffwear is ideal for big dogs that can generate big pull & big force. The collar is manufactured with security in mind, using high-strength aluminum hardware, high-strength tubular webbing, & a high-strength lace-back option. One unique & convenient feature standard on all Ruff Wear collars is a separate mini D-ring ID attachment to separate tags from the leash for less annoying rattle. Available in 3 colors to match the Double Back Leash. Neck Size Small: 28-51cm / 11-20 Large: 36-71cm / 14-28 In-between
Sizes: Choose the larger collar for comfort & room to grow.
Fit: Collar should have a comfortable & unrestricted fit.