KOOLTAIL 2 Pack Christmas Dog Collars Breakaway Collar Set for Dogs Red & Green 14" -20" Adjustable from 14" to 20", 3/4" width, suits for medium to Large breed dogs Made of high-quality polyester, durable and comfortable for your pets Breakaway design, easy to put on and take off. D- ring, can attach any leash Red & green, 2 pcs collars in one package, its a best choice for two dogs you have Christmas tree and deer design, lets welcome the Christmas together