It is durable, has a golden color quick-release buckle, adjustable length, and each one has a steel welded D-ring for the name tag placement. Collars are made with heavy-duty nylon and fabric layer. Layer fabric is 100% polyesters. SIZINGS Small : 10.62-16.92*0.8 inches (27-43*2 cm) Medium: 13.38-20.86*0.8 inches (34-53*2 cm) Large : 14.17-22.83*1.2 inches (36-58*3 cm) X Large: 16.53-26.77*1.2 inches (42-68*3 cm) LEASH It is durable, has an easy-fit golden color harness clip, and standard length (47.25x1 inches, 120x2.5 cm). Leashes are made with heavy-duty nylon and fabric layer. PET BOWTIE Bow tie fabric is 100% polyester, air permeability, and digital press pattern. It has a metal ID name tag and harness. SIZINGS Small : 2.36x1.77 inches (6x4.5cm) Medium: 3.74x2.36 inches (9.5x6cm) Large :4.72x3.14 inches (12x8cm) We reinforce all of the stress points with rivets. Due to the pattern variation on a fabric cut, the exact pattern on the actual collar or leash you receive may vary. These are the perfect choice if you’re looking for a collar set. All are handmade.