BESTIA CUSTOM DOG GEAR proudly presents: The "Silver Gaint" collar features a combination of 1/2 inch long SCREW SPIKESs and a soft leather padding. The base layer of this collar is 4 mm thick buffalo belt leather of highest quality. It is very strong and durable. The inside layer is our unique soft cushion. It is also 100% real pig or lamb leather. We can offer you this model in a wide range of sizes and cushion colors. This collar has a total width of 2.5 inch (6,3 cm). The buckle and D-ring measure 1.4 inch (35 mm) for sizes L - XL, and 2 inch (50 mm) for size XXL. All metal parts are nickel plated, made out of steel wire, specially for this purpose. Available sizes:Sizes M- fits a neck of 16.7 to 19.7 inchSize L- fits a neck of 19.7 to 22.6 inchSize XL- fits a neck of 22.6 to 25.6 inchSize XXL- fits a neck of 25.6 to 29.5 inchThis collar is meant for large to giant dog breeds like: Pitbull, cane corso, Rottweiler, American Bully, American Bulldog, Presa canario, Dogo Argentino, Mastiffs, etc. If you have any questions, please write us! 100% genuine leather soft padded handmade quality 2.5 inch wide