All Lupine products are proud to be built in Conway, New Hampshire and are guaranteed (even when chewing). Made from woven nylon, in seven rich colors. 3/4 wide chain "suitable for a variety of wide dogs, jacuzzi with sports dog breeds. Powerful bartacks, drused drings and sidelash loops are designed customized. Types of coins are available. Three scope adjustment. To determine the size of the neck, measure between the dog neck, then add a 5% discount for comfortable fit. Wash the machine, warm water, light soap (no whitening water or whitening replacement). Dry in open air. Lupine products are not recommended for money.