4 Pack of Primo Chalk Balls for Rock Climbing and Weight Lifting This is our MOST POPULAR item. Loved by climbers and weight lifters around the world, Primo Chalk Balls are designed to last longer and produce less dust compared to loose chalk. Here"s a look at some of the benefits of Primo Chalk over regular gym chalk: - Leaves Hands Feeling Better - The hard & dry feeling is significantly decreased - Better Grip - Enjoy a non-tacky and confident grip - Less Pain - Essential oils soothe your skin - Longer Lasting - It lasts about twice as long as regular gym chalk once applied! - Fewer Tears and Rips - Essential oils condition hands and make skin more resilient How is Primo Chalk made? When creating Primo Chalk Balls, we begin with high-quality magnesium carbonate and combine it with a blend of five key essential oils and mineral salt. We chose this particular mix of essential oils because they were found to decrease Staphylococcus, Micro coccus uteus and Pseudomonas aeruginosa bacteria in laboratory testing. Check out some reviews at: http://breakingmuscle.com/other-gear/product-review-primo-chalk http://rvproj.com/sponsors/