Tantus Vibrating Harness is the perfect accessory for beginners. The soft velvet material is soothing and sensual on the body, while the adjustable two strap design allows for a customized fit providing maximum comfort and satisfaction. Tantus Vibrating Harness also comes with a removable 1.5 inches O-ring, accommodating different size toys for different levels of experience, and a waterproof One Touch Bullet Vibe for extra stimulation. The Vibe Harness can also be worn comfortably over non-erect penis and scrotum. Users suggest wearing underwear beneath the harness to keep everything in place during use. Vibrator is a single speed removable waterproof bullet vibe. Vibrator requires 1 1.5 V N size battery. Harness features: comfortable, adjustable. Fits up to 60 inches hips for a snug fit. Pocket for vibrator with vibrating bullet for wearer's stimulation. Machine washable. Interchangeable o-rings to fit any size toy with flared base. Compatible with Silicone O-ring Set for varying toy sizes. Not included. Sold separately.