Plush to the touch, this solid black Vac-U-Lock attachment features a unique spiral design for incredible satisfaction! Use with any Vac-U-Lock set or accessory. O-ring Compatible. Phthalate-Free, Body-Safe Material. Features Heavily Veined Shaft for Extra Stimulation Vac-U-Lock Attachment Use with any Vac-U-Lock Set or Accessory O-ring Compatible Package Weight 8.70 Ounces