Big Black Toy is a popular solo and partner dildo that comes in two sizes, a large and a small. This dildo is not only made of safe, hypoallergenic materials but is also well made and will stand up to even the most extreme conditions while being used. With its smooth design this silicone dildo is great for partners who prefer a more substantial toy and is great for use during play or foreplay. Here are some of my favorite solo masturbation techniques using Big Black Toy:.