Female condoms were first put forward by a Danish doctor named Lasse Hessel in the mid-1980s, and are now available in many countries. Produced by American Women's Health Care Company through its subsidiary Chartex International Company in Chicago, Illinois, under the trade names Reality, femidom and Femi. The female condom is made of transparent polyurethane plastic, which is soft and tough. There are plastic rings at both ends, and the ring at the closed end is used to help insert the condom and fix it on the cervix. The ring at the open end is very large and spreads out outside the vulva. Covering the entrance of female vagina and the base of male penis. Female condom is a soft, transparent and durable sheath made of special polyurethane material. Its length is about17cm, its thickness is 0.42-0.53mm, and its maximum diameter is 7.8cm.. It can effectively prevent the spread of sexually transmitted diseases (including AIDS) while contraception. Both ends of the condom have an elastic ring, and the bottom of the condom is completely closed. When in use, the ring at the outer end is large and thin, and it will always be placed outside the vaginal opening, blocking the direct contact between the root of male penis and female vulva, thus preventing the spread of germs more effectively than male condoms. The surface of female condom is coated with an inert lubricant with dimethyl polysiloxane as the main raw material, which is harmless to sperm. Different from male condoms, because of the ultra-thin polyurethane material, both sexual partners can get the greatest pleasure when using female condoms. Based on the above advantages, condoms break the "patent" of men. Recently, a female safety condom specially designed and produced for women was officially unveiled in Chengdu. It is said that the condom has filled the gap in this field in the domestic market and successfully passed the acceptance of the Ministry of Health and provincial experts. The reporter noticed that the shape of this condom is somewhat similar to that of male condoms, but its volume far exceeds that of male products. A sponge foam swings from side to side in a hemispherical film, which is somewhat mysterious. Professor Zhang, the inventor and deputy director of Sichuan Reproductive Health Research Center, said that this kind of sponge foam should not be underestimated. It has the advantages of support, expansion and easy insertion, and is designed according to the characteristics of female genitalia. Experts said that the female condom replaced the inner ring of the traditional female condom with hemispherical sponge foam, which concentrated all the advantages of barrier contraception. According to the characteristics of female genitalia, it has the advantages of non-drug, non-systemic and non-invasive. Women can use it to achieve self-protection, which can effectively improve the protection rate of husband and wife's life and prevent sexually transmitted diseases such as AIDS. Beryl female condom is the first famous brand female condom with full set of formal procedures in China! Because this product is made of natural ultra-thin latex, when using female condoms, both sexual partners can achieve maximum sensitivity to obtain maximum happiness. Women are no longer passive, they can take the initiative to advance their products and protect themselves more actively. This product is inserted in advance, so it doesn't need a male erection to enter like ordinary condoms, so it won't stop or interrupt sex; This product greatly relieves the resistance of men to wearing condoms, and also plays a necessary protective role. This product will be a breakthrough in reproductive health products. Store the product in a cool place. When in use, carefully tear open the seal and take it out. Don't open it with sharp tools such as scissors. Take out the product to avoid being damaged by nails, jewelry and other accessories. Please refer to the following steps to learn how to use this product. Please note that this product should be worn before the erect penis touches the other person's body to prevent the spread of sexually transmitted diseases and unintended pregnancy. After ejaculation should hold the product firmly from the root and withdraw the penis as soon as possible. If you want to use another lubricant, please choose the correct type and avoid using petroleum-based lubricants, such as vaseline, because they will destroy the integrity of the product. It is recommended to use "Billele" water-based lubricant. You should consult your doctor or pharmacist about the applicable drugs that the product comes into contact with. Please discard the used products in the trash can. This product is disposable. How to use female condoms 1 Open the package carefully. Choose a position suitable for insertion, ensure that the inner ring is located at the bottom closed end of the sheath, and hold the sheath so that its open end hangs down. There is an open loop on it and an inner loop in the product. The split ring will completely protect the vaginal opening, and the inner ring is used to fix its position in the vagina. 2. Squeeze the inner ring with your thumb and middle finger (so it becomes long and narrow), and then insert the inner ring and the sheath into the imaginary opening. How to hold the sleeve: hold the inner ring with thumb and middle finger, press the index finger on the bottom of the sleeve, or squeeze the inner ring tightly. 3. Gently insert the inner ring into the vagina and feel it upward. Put the index finger into the condom and push the inner ring as far as possible. How to put it in: Choose a comfortable way (lying flat or sitting with your legs apart, or standing on a chair with one leg), pinch the inner ring and send the sleeve as deep as possible into the vagina until you feel the position is correct. Note: too deep will not cause harm. 4. Make sure that the condom is inserted straight and not twisted in the vagina. The outer ring should stay outside the vagina. Ensure the correct position: ensure that the sleeve body is not twisted. And the split ring is always placed at the outer end of the vaginal opening. 5. To remove the condom, gently twist the outer ring, then pull out the condom and leave the sperm inside. Wrap the condom in a package or paper towel and throw it away. Don't put it in the toilet. It is generally recommended that female condoms should not be reused. How to take it out: To avoid semen backflow, please take out the condom before getting up. When taking out, hold and rotate the split ring and slowly pull out the sleeve.