Sinful 1 inch Collar Black from NS Novelties. Add a spark of excitement to your play time. adjustable collar and leash. Designed for extended wear. Made of vinyl, neoprene and nickel free hardware. UPC 657447102431. Product dimensions 20.71 inches by 1.26 inches by 1.06 inch. Package dimensions 7.99 inches by 3.15 inches by 2.13 inches. Packaged weight 2.70 ounces. Product material Vinyl, Neoprene.