Tantus makes the most amazing silicone products! They're made for a woman by a woman and it shows. Each Feeldoe is made out of medical grade silicone. It's completely hypoallergenic as well as odorless. It's easily sanitized and is made to enjoy for years. It's revolutionary because it's a harnessless strap on dildo. It can be used by a man or a woman, and has a clitoral stimulator for the user. The shaft of the Tantus Slim Feeldoe is 6" long and 1.5" across. The insertable portion for the penetrating partner is approx. 3" long and 1.5" across. The mini vibrating bullet runs on watch batteries, which are included.