Durex invisible condoms are our thinnest condoms. The extra thin design was designed to maximise sensitivity while stil providing a high level of security and protection. - Straight walled, teat ended, smooth shape latex condoms with silicone lube - Large nominal width: 54mm - Durex quality: 100% electronically tested with 5 more quality tests carried out on every batch; dermatologically tested too. Durex is the World's No. 1 condom brand. Trusted by millions everyday and exceeds worldwise quality standards. Durex condoms smell better.