Lupine products are proudly built in Conway, New Hampshire and Guaranteed (Even if Chewed). They are not chew-proof (no fabric is!) but if they get chewed, LupinePet will replace them. Search on ÔLupine GuaranteeÕ to see how EZ it is!3/4-inch-wide collars are suitable for a wide range of dogs. There are three adjustable size ranges: 9-14 inches; 13-22 inches; 15-25 inches. To determine collar size, measure snugly around the middle of the dogÕs neck, then add an extra 5-percent for a comfortable fit. Or, measure the current collar. Made from recycled plastic bottles (rPET), this unique plush weave is soft yet strong. Built with strong bar-tack stitching, welded steel hardware, and ends which are turned under and stitched to protect fur and skin. Matching padded handle leashes and harnesses are available. Machine or hand-wash, warm water and mild soap (no bleach or bleach alternative). Air dry completely before useLupine products are not intended for tie-out.