The most popular of all "Standard Series" with classic upward flared neck. Built in cockring, growth indicator and sophisticated automatic air valve. Hand crafted and hand polished in U.S.A. PUMP SOLD SEPARATELY

ONLY AVAILABLE ON-LINE! The unique and sophisticated ergonometric design of these new cylinders fits the contour of your groin and lower body. They are snug & comfortable with much stronger suction. STANDARD LENGTH: 9" YES WE DO CUSTOMIZE! 30 day manufact

ONLY AVAILABLE HERE! With a flat bottom suction cup like design, these cylinders were specially designed to make pumping easier. PUMP SOLD SEPARATELY

The EC Series (end cut) penis suction cylinders are functionally very similar to Thick Wall Cylinders. The end design of this cylinders simply straight cut, hand polished to a very smooth surface cylinders overall thickness is 1/8”

The new sleeve master cylinder takes the comfort of your pumping one step further. The special opening of the cylinder will fit right in to the high quality special design sleeve which provides you with better suction and more comfortable grip. This is a

"Thick Walls" are somewhat heavier then the other cylinders (1/4" thick vs 1/8" thick). The cylinder wall is a full 1/4" thick and is made of the highest quality Lucite Acrylic material available in the market. All hand polished and handcrafted in U.S.A

These giant cylinders are specially recommended for experienced pumpers who wish to build monstrous cock & balls or as a way to increase the size of your mushroom head. DIMENSIONS IMPOSSIBLE TO ACHIEVE WITH ANY OTHER TYPE OF CYLINDER! PUMP SOLD SEPARATEL

We have solution for all your pumping needs, even when it comes to group entertainment. The design of these cylinders allows you to pump with your friend simultaneously. Tug-of-War anyone? STANDARD LENGTH: 16" YES WE DO CUSTOMIZE! 30 days manufacturer def

Get back what they took off or increase what you have! Designed and crafted by bostonpump.com, the Foreskin Cylinder will maximize your foreskin pleasure during and after use! THE CLEAR LUCITE BALL IS INCLUDED. PUMP SOLD SEPARATELY

The miniature Nipple Cylinders were uniquely designed to give your nipples a real workout. After all you deserve it. They are fully handcrafted, hand polished. 5 different sizes available: SMALL, MEDIUM, LARGE, X LARGER, XX LARGE. PUMP SOLD SEPARATELY