Apollo Power Stroker Black. Totally self contained power stroker with removable suction cup base. Vibrating pleasure stroker with deep throat action. Sleeve ergonomically shaped for absolute form and function. 30 incredible functions of vibration, pulsation and escalation. Easy push button control. Optional multi-position hands-free suction cup swivel mount included. Safe and pure for body and pleasure made using phthalate free materials Thermoplastic Rubber TPR sleeve, ABS plastic button, ABS plastic with polyurethane PU Cote case. Vibrating sex toy requires 4 AA batteries, not included. Bulk Weight: 15.4 ounces. 3.5 inches by 2.25 inches chamber. 8.5 inches by 3 inches overall.