Carhartt Tradesman Collar - Make no bones about it, this ultra-durable collar is up for whatever task comes your dog's way. The Tradesman has reflective stitches for increased visibility during after-hour activities, is fully adjustable, and is built with a sturdy half-metal/half-plastic side release buckle that stays strong, but is still easy to take on and off. Durable nylon webbing with duck canvas weave Reflective triple needle stitch for low-light visibility Fully adjustable Durable side release buckle - Half metal / half durable plastic Rugged slotted metal D-ring with tag holding capability Plastic strap keeper and adjuster