P0000343 Carhartt Pets Tradesman Collar This collar provides low-light visibility reflection, optimum durability, and easy adjustment to keep your dog safe and comfortable while they take on work and play. 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 Fabric Durable nylon webbing with duck canvas weave