High quality travel pump has a unique telescoping tube that is adjustable! The Telescoping Travel Pump has excellent vacuum seal. It features a bulb with quick-release valve, and hygienically superior, stretchy and comfortable donut, easily removed for cleaning.Some Men swear by the use of pumps as effective tools for increasing size while others think pumps have no lasting effect. Pumps can extend length while using, but the question is, Will the penis return to original size after using? Unfortunately, we do not have that answer and can not guarantee or be responsible for any results.