Vac-U-Lock Ultra Harness II & Plug w/6" Realistic Cock 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 Realistic Cock Flexible dildo. Made in jelly & plastic, soft texture, Latex-free, Cadmium-free, non-toxic, antibacterial, veined, scrotum. Color: Flesh. Length: 6" (15.2cm). Powder, instructions.