The Qalo Men's Outdoors Silicone Ring is constructed from medical grade silicone for all-day comfort. With an 85N tensile strength, the ring is also highly durable for long-lasting use. If you want flexibility during wear, this is the ring for you with a 489% elongation measurement. The ring is also not conductive or porous for safety while on the job. Measuring less than a centimeter wide, this compact item will not impact your performance; order today!