It features a newly designed round perineum tab and also boasts a Kundalini AK Tab. The A KTab adds sensations up and down your back that are complementary to the sensations from the prostate. Mobility is a key to success with our products, and despite its size the Progasm moves inside the mans body to provide a robust prostate masssage for incredible pleasure. Largest Aneros model Round perineum tab design Kundalini K Tab provides additional sensations Has size, but is very mobile For advanced and experienced usersLength: 5.25 InchesWashing: Hot soapy water and toy cleanerInsertable: 1 to 5 inchesDiameter: 1.25 InchesWidth: 3.5 - 3.75 InchesColour: WhiteFlexibility: RigidFor Who: MaleMaterial: PlasticBrand: AnerosSize: 5.25 Inches