Hammerhead Masturbator Attachment is created using phthalate free Thermoplastic Rubber TPR. Male masturbation device works with most silicone or water-based lubricants. Masturbator measures 3.75 inches lengthy (9.5 cm). Outer circumference 5.75 inches (14.6cm). The Hammerhead Masturbator is really a soft, stretchy massager wand attachment for males that gives intensely enjoyable fluttering and sucking sensations whenever you slide the snug fitting sleeve backwards and forwards across the shaft of the penis. Obvious stroker enables you to view while you stroke. To be used using the VibeRite Personal Massager. Offered individually. Hammerhead Masturbator Attachment is registered trademarks for Kink Labs. Weight .36 pound