This is a one off medium large, velvet-lined, wide clip collar measuring 18.5 inches in length.
 
This handmade 1-1/2 inch wide clip collar features seatbelt webbing sandwiched between quality Jacquard ribbon and velvet collar lining,  a sturdy black plastic side release buckle and a metal D ring in a color (brass or nickel/chrome) that compliments the ribbon used.