Helix Syn Prostate Massager silicone synergy experience the synthesis achieved with Aneros Helix model and velvet touch silicone. The original Helix has been skillfully refined for an even more comfortable fit and with its solid inner frame and even more comfortable fit, still maintain the rigidity necessary for mind blowing prostate experiences Aneros is famous for. The final touch is a coating of the finest silicone available. The synergy possible with Helix Syn and the male g-spot is an unmatched combination you have to experience for yourself. Helix Syn Prostate Massager features: hands free pleasure, perfect for advanced and beginners use. Velvet touch silicone for extreme comfort. Made with FDA approved materials. Anatomically designed for a perfect fit in the male body. The best-selling Aneros Helix is aggressively shaped and angled, providing immediate pressure and tension on the prostate and surrounding area. It requires less patience and practice to realize benefits. The Helix was designed based on feedback from our customers and several additional design patents. It has a sharply angled stem and large bulbous head which provide a more aggressive prostate massage. The redesigned P-Tab provides a more focused external prostate stimulation when massaging the perineum. In terms of dimensions, the Helix is larger at the tip and is more angled to provide a more vigorous massage. However, the mid-ridge is slightly smaller on the Helix. A water based lubricant is recommended. Always clean before and after use.