Vac-U-Lock Modular System Realistic 5 inches Dong. Take in all 5 inches of this realistic cock Vac-U-Lock attachment. The bulging veins, plush balls, and hand painted detail will have you falling in love! Solid realistic dong measures 5 inches - 6 inches long by 1.5 inches to 2 inches wide. Compatible with Vac-U-Lock Sex System. Made using phthalate free, non-toxic materials: Sil-A-Gel, PVC. Color White, Light, Beige. Details: circumference 4.08 inches. Dimensions 6.90 inches Length, 1.30 inches Width, 2.70 inches Depth. Insertable Length 4.60 inches. Vac-U-Lock Modular Sex System Attachment from Doc Johnson Novelties the Great American Toy Company.