Get ready to pump it up for bigger. longer erections. Perfect for those just starting out. this pump gives you all you need to be large and in charge. By creating a tight vacuum seal around the penis. it will cause suction as well as additional mass temporarily. the pump as a quick air release control. pneumatic bulb. latex ring for a tight seal. and a see-through cylinder to monitor the results. features a soft sleeve. easy squeeze pump. and a flexible hose. measures approximately 8 in. long. 7.5 in. for the penis. circumferences of 7 in. (tip) to 7.25 in. (base) and opening of 2 in. diameter. Sold in retail packaging.