Discover the Perfect Fit The right size matters for achieving optimal results. Our premium rounded flange/wide flanged/thick walled acrylic cylinders are specially designed to fit comfortably while providing a safe and effective vacuum seal. Round Flange (1.35 to 5.0) in Diameter - 9 or 12 inches LengthWide Flange (1.75” to 2.50”) in Diameter - 9 or 12 inches LengthThick Walled (1.3” – 3.1”) in Diameter - 9 or 12 inches Length Ensuring you find the perfect fit for your needs. Convenient Quick Release Valve Enjoy a comfortable and controlled pumping session with our innovative Quick Release Valve. This user-friendly feature lets you easily disconnect the hose and pump from the cylinder without losing pressure. Whether you need to take a break or complete your session, this valve gives you the flexibility and control to manage your experience on your terms. The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Ultimate Comfort & Durability Experience unparalleled quality with our highest-grade, 3mm (6mm for thick walled) thick clear acrylic cylinders. Our cylinder has no manufacturing seams along the entire untapered insertable length, enhancing both comfort and durability. Choose LeLuv cylinder for the perfect fit, superior quality, comfort, and safety. Achieve the goals you desire with our expertly designed premium acrylic cylinders. LeLuv cylinders are made from special-grade acrylic, offering superior safety, comfort, and long-lasting durability for reliable use. The right size matters. Our Thick Walled, Rounded or Wide Flanged premium acrylic cylinders offer comfortable and a safe, effective vacuum seal in. LeLuv Acrylic Cylinders feature Imperial and Metric measurements, ensuring easy, accurate progress tracking without manual conversions. We offer unmatched variety in cylinders with more sizes and colors than you can imagine, ensuring the perfect fit for you! Find the LeLuv Acrylic Cylinder that works for you! Wide Flange Cylinder Round Flange Cylinder Thick Walled Cylinder Cylinder Design Sleek acrylic cylinder with a flat 13mm wide flange and 3mm thick walls. Cylinder Design Smooth acrylic cylinder with curved 10mm rounded flange with 3mm thick walls Cylinder Design Slick flangeless acrylic cylinder with 6mm thick walls. Insertable Length 9in or 12in Insertable Length 9in or 12in Insertable Length 9in or 12in Inner Diameter 1.35" 1.5" 1.75" 2" 2.125" 2.25" 2.5" 2.75" 2.9" 3" 3.25" 3.5" 3.7" 4.1" 4.5" 5" Inner Diameter 1.75", 2", 2.125", 2.25", 2.5" Inner Diameter 1.3", 1.5", 1.7", 1.9", 2.1", 2.3", 2.5", 2.7", 2.9", 3.1"