Vac-U-Lock Vibro Ultra Harness II & Plug w/8" Dong Set Vac-U-Lock Ultra Harness II Harness in non-toxic plastic, adjustable, snaps. Color: Black. Vac-U-Lock Plug In non-toxic plastic, snaps. Color: Red. Length: 3" (7.6cm). Vac-U-Lock Dong Flexible vibrating dildo. Made in jelly & plastic, soft texture, Latex-free, Cadmium-free, non-toxic, antibacterial, veined, independant control box, multi-speed. Color: Flesh. Length: 8" (20.3cm). Uses 2 AA batteries (NI). Powder, instructions.