Durex invisible extra lubricated condoms are the thinnest ever developed by durex, designed to maximize the sensitivity, while still providing a high level of security and protection. all our latex condoms exceed the iso 4074 international quality standard for male natural rubber latex condoms.please read the leaflet inside this pack carefully before using the product. use a condom only once.no method of contraception can give you 100% protection against pregnancy, hiv or sexually transmitted infections. using a play pleasure gel from durex with condoms can enhance sex. all play gels from durex are condom safe, unlike oil based lubricants which can damage condoms.