Large Dog Collar by Lupine 1" Wide Jelly Roll Design adjusts from 16" to 28" 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 ïLupine GuaranteeÍ to see how EZ it is!1-inch-wide collars are suitable for medium and larger dogs. There are three adjustable size ranges: 12-20 inches; 16-28 inches; 26-31 inches. To determine collar size, measure snugly around the middle of the dogÍs neck, then add an extra 5-percent for a comfortable fit. Or, measure the current collar. Lupine Originals are made from woven nylon in an array of colorful designs. The pattern is woven into the webbing, rather than printed or sewn on. Made with strong bar-tack stitching, welded steel hardware, and ends are turned under and stitched to protect fur and skin. Matching padded handle leashes, regular collars, and harnesses are available. Machine or hand-wash, warm water and mild soap (no bleach or bleach alternative). Air dry completely before use.Lupine products are not intended for tie-out. Features Proudly Built in New Hampshire and Guaranteed (Even if Chewed.) 1-inch wide, adjustable from 16 to 28-inches long For best size choice, always measure the current collar or measure snug around the middle of the dog's neck and then add 5-percent more for a comfortable fit Custom-designed side-release buckle and welded steel D-ring Matching padded handle leashes and harnesses are available USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.