The PrimO Apex hits sensational heights with 100 percent premium silicone construction and our most powerful 4-function motor to date positioned vertically for unparalleled stimulation. Matching luxurious taste with an economical price the Apex vibrating erection ring inspired couples to reach the ultimate peak of pleasure. Vertical vibrating penis ring. Clean before and after each use with soap and warm water or toy cleaner. Remove batteries when not in use.