Material: Nylon + Silicone Color: Black/Red Collar Size: 60 * 4.5 cm/23.6 * 1.8 inch Gag Dia: 4 cm/1.6 inch Contact Belt: 25-48 cm/9.8-1.9 inch Wrist Cuffs: 41 * 4.8 cm/16.1 * 1.9 inch Ankle Cuffs: 46.5 * 5 cm/18.3 * 2 inch Package: OPP Bag