Master Series Lush Pet Silver Ring Slim Choker from XR Brands. This elegant collar is a great accessory for any outfit. Subtle and refined, it can be worn during the day during work or at night with a lover. The silver O-Ring is a subtle and beautiful accent on this black, PU leather collar. With adjustable clasps, this collar can be adjusted to the perfect fit. The PU leather collar has a smooth, real leather look on the outside and a soft inner lining that faces the skin. The metal O-ring is placed at the center of the collar and is nickel free. Adjustable clasp is made of a lobster clasp and chain for the perfect fit. Measurements: overall length 16.25 inches, adjusts from 12.5 inches to 15.5 inches circumference, O-ring inner diameter 0.75 inch. Materials Polyurethane PU Leather, metal. Color Black, silver. Key features soft inner lining of Collar: The inside of the collar is soft and smooth so it feels gentle against the skin as the collar caresses your neck. Elegant and slim fit. A slim band creates an elegant and delicate looking collar that sits higher on the neck.Adjustable: Use the lobster clasp and delicate chain for an adjustable fit. O-Ring accent: The O-Ring at the front and center of the collar is nickel free metal that catches the light and the admiring eye of anyone who sees it. XR Brands - Master Series.