Our Classic Collar is sleek, sexy and understated! This pretty little choker shows you're kinky side, but not in an outlandish way. Wear it anywhere with anything! A great look for every submissive, public or private! Approximate Dimensions [Metric/US]: Neck Diameters: 110, 125, 140, OR 150mm - Slightly Oval Neck Diameters: 4-3/8", 5", 5-1/2" OR 6" Inches - Slightly Oval Collar Width: 30mm [ 11/2"Inches] Weight: 550 Grams / 19.2 Oz. Diameter: [110mm / 4-3/8"] Diameter: [125mm / 5"] Diameter: [140mm / 5-1/2"] Diameter: [150mm / 6"]