Nexus Banx 8 Inch Hollow Dildoby Sportsheets The Banx silicone sheath dildo is a versatile piece to add to your collection. Banx has something for everyone, whether you have difficulty getting or maintaining an erection, want to add a different sensation or increase size, or just want an all around quality dong. It's firm enough to be used as a standard dildo, but also has a hollow interior and can be worn in a harness by all genders. Banx is compatible with strap on harnesses