Arcwave Voy is a premium compact stroker with a unique Tightness Adjustment System that targets the Merkel-Ranvier receptors in the penis, which respond to pressure across 8 intensity levels. The compact design, custom fit, precise pressure control and superior CleanTech silicone all combine to form Voy - the very latest innovation in penis pleasure. Hold tight. Material: Body-safe silicone, made without phthalates, BPA or latex Water resistant. Product dimensions: 3.5" W x 4.5"H. 2 year Warranty.