If you feel that penetration during sex or masturbation could be feeling better and the orgasms - more intense and you're wondering how to achieve that, than you're looking at a thing just for that. Those are kegel balls, made by the best sex toy brand in the world - Satisfyer. There's 3 balls in the pack. You put one of those into your pussy and just 15 minutes of exercise or wearing it per day is enough for achieving results. Most needed and best used after childbirth.
Difference between the balls is in the weight. The lightest one is 79.3 grams, followed by middle which is 114.1 grams and the heaviest one is 150.3 grams. Start with the lightest and proceed to the heaviest. Crated with soft silicone that can be easily washed and cleaned.
If you had a childbirth, these balls will help your pussy return to the initial (actually better than initial) condition. Both you and your partner will feel your orgasms better. More you train with these balls, tighter your pussy will feel for your partner. Result in sex will be the same for both of you - out of 9 clouds of pleasure, if you're on the 2nd or 3rd right now, you'll be making your way up to the 9th cloud.