An adjustable t-strap and grommet reinforced nostrils ensure safe and comfortable wear throughout your play scenes and special encounters. Specifications: color Black. UPC Code 782421060138. Material Leather. Wearable top strap 10.5 inches to 13.5 inches. Back strap 9.5 inches to 11.5 inches. Kink by Doc Johnson is an exciting collaboration with Kink.com to create a collection of high quality authentic fetish items suitable for long term practitioners and new initiates alike.