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 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 alleviate 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. Measurements and weights: Small DilatorLength 11 cmInsertable length 7.5 cmInsertable Diameter 1.1 cmWeight 9 gr Small-Medium DilatorLength 12.8 cmInsertable length 9 cmInsertable Diameter 1.6 cmWeight 23 gr Medium-Large DilatorLength 14 cmInsertable length 10 cmInsertable Diameter 1.9 cmWeight 30 gr Large DilatorLength 16 cmInsertable length 12 cmInsertable Diameter 2.1 cmWeight 45 gr Extra Large DilatorLength 17.9 cmInsertable length 13.5 cmInsertable Diameter 2.5 cmWeight 63 gr BulletLength 9 cmDiameter 1.7 cmWeight 16 gr