Curved Lugs Silicon Rubber is a very flexible heavy duty silicon rubber watchstrap. Strong floating strap loop, Stepped shoulder design lends a distinctive and chunky look well suited to Military, chrono and dive watches. Significantly more durable than the numerous resin or polyeurethane variants available elsewhere on the internet. This strap is highly resistant to the ageing/cracking problems encountered with lower priced and frequently thinner dive straps. While many divers straps might look pretty similar, there are significant differences in quality that cannot be determined from the images seen in your browser. As a general guide, dive straps with a higher rubber content will be more flexible and perhaps most importantly resist cracking for longer.