While no means of contraception can provide 100% protection, we've made sure Man Matters Ribbed & Dotted Delay Condoms go through rigorous testing. Each condom is 100% electronically tested to ensure it can survive every action without tears. However, this cannot guarantee that it is 100% safe as there is always a chance that the condom might break due to an un-measurable amount of friction, wrong usage, or unsafe practices (like using two condoms in one go).