HPE offers a variety of different sizes to suit the needs of various individuals, including varying sizes of penetrable toys!While sizes were designed with specific usage in mind, as with all kinds of sex toys, usage will vary depending on the user's preferences and personal anatomy.Please bear in mind that the information outlined below is anecdotal and displayed only as a broad generalization.Before deciding on what size may work for your needs, always make sure to check the size and dimension charts carefully!MicroMicro penetrables are the smallest sized penatrable that HPE offers! These diminutive cuties cannot house anything larger than a pinky finger. They may be recommended for penetration by cis women and ftm transgender men that have not experienced significant genital growth.MiniMini penetrables can generally house an index finger and often a standard 3" bullet vibrator. They may be recommended for penetration by cis women and ftm transgender men that have experienced genital growth.PocketPocket penetrables can house multiple fingers and are generally sized for penetration by cis men, and typically feature a penetrable portion of 2" - 5" in length.FullsizeFullsize penetrable can house multiple fingers and are generally sized for penetration by cis men, and typically feature a penetrable portion of 5" - 8" in length.