NATURAL, NON-TOXIC, NON-STAINING – magnesium carbonate block chalk will keep your hands dry and sweat-free. No more “gummy” feeling, when using Mute’s block chalk. INCREASE GRIP – with activities such as powerlifting workouts, body-weight movements like pull-ups, and muscle-ups. MAGNESIUM CARBONATE – high-quality ingredients makes for great chalk - get those weightlifting gains you’ve been working towards. PERFECT FOR – functional fitness, bouldering, rock-climbing, gymnastics, weightlifting, and more. INCLUDES: Either 3 blocks or 8 blocks of athletic chalk Mute’s athletic block chalk is made with high quality magnesium carbonate. It is designed to be nontoxic and nonstaining. Increase grip strength and get those weightlifting gains you have been working for. Includes 3 counts of 2 ounce athletic block chalk.