Treat yourself to twice the pleasure with this Waterproof Power Stud Over and Under Dong Vibrator and indulge in double penetration whilst all alone. This waterproof vibrator features two realistic probes that vary in size, but are both super soft and smooth for maximum comfort, whilst the larger shaft is covered in stimulating raised veins. Perfectly sized for toe tingling penetration, the Waterproof Power Stud Over and Under Dong Vibrator features shafts that measure 5.5 x 1.75 inches and 3.5 inches x 1 inch in diameter. Choose from 3 speeds of vibration and enjoy double penetration in your own company, allowing you to experiment with the intense sensations it provides.