The possible causes of long bags in the vulva area include: 1. Vestibular gland cysts. For various reasons, the vestibular gland is blocked and the secretions in the vestibular gland are retained and cannot be discharged normally to form vestibular gland cysts. This is the first time that a person has been infected with a human papillomavirus, which can cause acromegaly and pain. The actual fact is that you can find a lot of people who are not able to get a good deal on this.