Red Dingo Dog Harness Large neck circumference : 18,1- 29,9 in chest circumference : 20,8 - 30,7 in Sizes: Size Neck Circumference Chest Circumference Width Rear Strap Stomach Strap Small 9,8 - 15,3 in 11,4 - 16,5 in 0,4 in 2,7 in 3,9 - 5,5 in Medium 13,7 - 20,8 in 15,7 - 21,6 in 0,7 in 1,9 in 5,5 - 8,6 in Large 18,1- 29,9 in 20,8 - 30,7 in 1,0 in 5,1 in 7,2 - 9,8 in XLarge 24,4 - 42,9 in 27,9 - 49,2 in 1,0 in 6,9 in 9,8 - 14,5 in Red Dingo dog harness Webbing - Premium nylon webbing, woven from quality fine yarn for a softer feel. Densely woven edges for maximum abrasion resistance. Exceeds ISO standards for washing and UV colour fastness. Design Ribbon - Special weaving techniques, including Åback bindingå prevents loose threads and produces a durable, abrasion resistant ribbon. To enhance lustre and brightness of colours, only full light yarn is used D-Rings - Fully welded from solid stainless steel. D-rings will not rust and therefore will not discolour petås fur. Bucklebone - An original Red Dingo trademark and registered design. "Bucklebones" are designed not only to look good, but to be amongst the strongest side release buckles used in the pet industry. Only imported virgin Acetal is used to ensure strength.