Didog Leather Spiked & Studded Medium & Large Dog Harness for Pit Bulldog Mastif Type: Handmade studded spiked dog harness Material: Leather, strong enough, skin friendly to pets. Neck size for 45-60CM(17.5-23.5"), Chest size 65-85CM(26-34"), 5 holes adjustment Washable,easy to clean.Wearing while hiking,looking like a defender! Measure your dog's size before you order