Unbreakable solid nylon neck tags with permanently engraved numbers. Tag size: 3-1/2" long, 2-1/8" wide, hole 3/4" diameter. Our plastic chain and doe-sized nylon collars fit through the hole. Tags are not affected by extreme temperatures. Tough enough that goats won't damage them seriously by chewing. Sold in sets of 10; red tags with white numbers.Choose sets of 1-10, 11-20, 21-30, 31-40, or 41-50.