This beautiful big and wide jumbo collar is a big 2-1/2 inches wide. This heavy duty dog collar is made with full grain russet cowhide leather that is trimed in red on the edges and has solid steel dome stud ornaments. This collar is nylon reinforced between 2 layers of leather for added strength. Made exclusively for that BIG DOG in your life! Not for dogs that have short necks. For correct size, MEASURE your dogs neck. Size 28 fits a 20 to 24 inch neck. Size 30 fits a 22 to 26 inch neck. Size 32 fits a 24 to 28 inch neck.