Currently, we only offer one firmness for penis sleeve/wearable. Enough to insert, yet soft enough to easily stretch around your member length.Simply squirt some lube inside and slip it over your member. Then carefully slide your balls through the hole at the base.Please note that these are not contraceptive devices and are not intended to prevent any disease. Safe sex is always advised, such as condom use.Note: Due to the characteristics of the toy; WIZ'S SHEATH can customize Solid color and Covered color.