Durex invisible extra lube condoms are thin with extra lubrication for a smooth feeling. Designed to increase sensitivity during sex, they deliver the same standard of reliability that you'd expect from any Durex condom. Better still, they also come with extra lubrication for smoother sensations for you and your partner. - 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.