Check the listing for details. Male Penis-Extender Stretcher Max Vacuum Enhancer Enlarger Silicone Sleeve S-XXL. Condition: New. Listed at 6.99 USD. KEY FEATURES: Protect penis to avoid the skin Skin injury when Extending Special rings on the Coronary sulcus to stop shedding when you stretcher the penis. Sleeves are produced in a controlled vacuum chamber which draws out all of the air bubbles making the sleeve very durable and long lasting. Suggested to select LARGE when the flaccid penis is more than 36mm(1.42"), Suggested to select MEDIUM when the flaccid penis is less than 36mm(1.42") Each Sleeve is Made from 100% Medical Grade Hypoallergenic Silicone. Color:Clear or Blue Sizes:as picture shown,and good elastic to extend. Please understand it maybe has tear on the edge of the sleeve for the process,it is ok and don't effect the use,please don't order it if you mind it. This super soft and stretchy sleeve fits most penis Extender. It is used for adding comfort and creating an airtight vacuum seal. We offer this accessory separately so you can upgrade your existing pump or replace an old donut if it has become worn out. It can also help you sustain an erection, which is important if you wish to increase your size faster. Normally,the sleeve can be stretched about 40% for good longer usage, so it is important to selelct correct size sleeve for the penis/pump/cup! Please recheck the cylinder outer diameter before you order the sleeve,or contact me before your order it! We will give you proffesional suggestion! For your good experience,please replace the sleeve after you use it about 10 times,of cause,you can use it until the sleeve broken.