Achieve the big o with The Big O vibe from Golden Triangle. This perfectly shaped vibe makes reaching the g-spot easier and with 7 pleasure rhythms and a flexible silicone shaft, it'll make your toes curl. Material: silicone. Requires 3 AAA batteries (not included). Waterproof. Length: 8.75. Insertable Length: 6. Max Diameter: 1.5. Min Diameter: 1. Weight: 5 oz.