7 x 1.5/17.75 cm x 3.75 cm (probe). The complete strap-on system. Premium, solid, silky-smooth, unscented Silicone probes with reverberating vibrations throughout the shaft. Supportive, premium, form fitting, full body adjustable harness fits up to 70/177.75 cm waist. Removable probe may be used with or without the harness. Performance Plus controller with 10 powerful functions of vibration, pulsation, and escalation, auto on/off button, and state-of-the-art memory chip that resumes last function used. Silicone (dong) ABS (controller) PU (harness) Polyester (lining) POM (buckles) PP (straps) Nickel-Free Alloy (ring) 2 AA batteries.