About this item 2XS Size: Width 3/5inch(1.5cm), Collar Adjustable Size 6-8.2inch(15-21cm). Recommended: 3-6lbs dogs.Please better measure dog's neck refer to the size chart. MATERIAL:Made out of soft 100% velvet leather, it is very comfortable and flexible. The inside of collar is softly padded and protects your dogs neck from rubbing and irritation. Heavy duty alloy D ring on top of the dog collar for an easy leash attachment or ID Tags. The strong brass hardware will not rust and is Securely Stitched to the Leather. ADJUSTABLE COLLAR :5 metal eyelets adjustable keep the leather dog collar in right size. SIZE MEASUREMENT :It's really very important for size measurement. Many customers placed orders by wrong size and fall into an inconvenient return and replacement. To save your time and money, please choose a correct size option before you order.