All Lupine products are proudly built in Conway New Hampshire and Guaranteed (Even if Chewed). 1? collars are suitable for medium and larger dogs. Made from jacquard woven nylon with the pattern woven into the webbing (never printed or sewn on!) Features strong bar-tack stitching welded D-ring and a custom designed side-release buckle. In a range of fashion-inspired patterns with matching leads available. Two adjustable size ranges. To determine collar size measure snugly around the middle of the dog?s neck then add an extra 5-percent for a comfortable fit. Machine wash warm water mild soap (no bleach or bleach alternative). Air dry. Lupine products are not recommended for tie-out.