Specially treated. Stain & odor resistant. Quadlock - The safest buckle for your pet! Our new Quadlock Buckle is stronger, safer and more secure than any other side release buckle. Engineered with 4 locking points (twice as many as regular buckles), the Quadlock Buckle snaps into place with an audible click to indicate it is fully locked in. This collar fits most medium dog breeds including: Basset Hound; Border Collie; Brittany Spaniel; Dalmatian; Golden Retriever; Greyhound; Norwegian Elkhound; Samoyed; Schnauzer - Standard; Scottish Terrier; Shar Pei; Shetland Sheepdog; Springer Spaniel; Weimaraner. Ruffin' it collars, leashes and harnesses offer the following features: The softness and strength of quality nylon; Solid cast hardware; Skilled craftsmanship. Westminster Pet Products - a family company. Made in China.