The frosted plastic strap-on harness (fits most) is totally adjustable and includes 2 Vac-U-Lock silver plugs. The 6in Crystal Jellie Ballsy Dong is beautifully designed and is 1 in diameter. The shiny iridescent plugs have an incredible feel and are 6in X 1 and 4 X 1. There's even powder lube included in the packaging for your convenience. Better fasten your sex belt for this fabulous ride!