Set includes premium, solid silicone probe; powerful multi-speed stimulator; soft, tight and stretchy life-like masturbator with ultra-tight beaded entry; penis pump with flanged base for secure seal, superior suction and EZ-squeeze bulb with quick air release valve (body safe donut included); and set of two sturdy, stretchy all-purpose silicone rings. Probe measures 4.75 inches by 1 inch. Masturbator measures 5 inches by 2.5 inches. Cylinder measures 7.75 inches by 2.25 inches. Medium ring diameter is 1.5 inches, large ring 1.75 inches. Stimulator requires 2 AAA batteries, not included.