The use of a vaginal dilator is a recommended treatment to make penetration easier. this set contains 5 different sized dilators, made from silky smooth silicone for a smooth and easy insertion. begin with the smallest dilator in the ouch! Dilator set, make sure to apply some water-based lubricant then gently insert into the vagina progressively. the exercise can be done daily, with small, gentle movements in and out. the objective of the ouch! Vaginal dilator set is to relax the vaginal area as well as alleviating discomfort. when you can insert the smallest dilator comfortably and without any discomfort, you are ready to move up to the next size. the set also comes with a free vibrating bullet climax machine made for your pleasure.