offers welcome New with Tags Max & Neo Teal Reflective Stitched Collar Our NEO Dog Collar is a heavy-duty, reflective, locking nylon clasp dog collar. The collars are 2mm thick, solid, and made for large dogs. Its quality nylon webbing contains reflective stitching for improved nighttime visibility. It features a lockable nylon clasp that prevents the latch's accidental release when grabbing the collar. Medium 14.5"-19.5"