Designed to help you consistently climb at your limit, FrictionLabs chalk is for climbers, by climbers. Never chalk up mid-crux again; FrictionLabs chalk lasts 2-5 times longer than other chalk. The highest purity Magnesium Carbonate makes a single application far more efficient, giving you the extra edge to focus on the task at hand... not on your hands. FrictionLabs chalk is by far the purest out there, meaning it will last longer, dry your hands better, and keep your lungs and skin healthier than anything else you've been using. Responsibly made in the USA and stripped of all unnecessary fillers, FrictionLabs chalk gives you unrivaled moisture absorption and skin health.