Biggies, so you will are a beefier version of our adjustable collars that you already know and love.They come in two sizes: Biggie (18"-26" x 1 3/4"), and Biggie Extra (22"-30" x 1 3/4"). You can order leashes to match in our 1 wide size. These collars are perfect for long necks , and larger dogs like Labs, Goldens, Rotties, etc. Some of our Biggie patterns are to big for our regular adjustable collars so you will only see them in our new BIGGIE department.