FrictionLabs Magic Reusable Chalk Sphere, 2.2 Ounce DRY HANDS | The Best Chalk Ball, 100% Satisfaction Guaranteed | Overcome grip problems caused by sweat, rain, humidity, and oils/sunscreen. Protect your skin from over-drying and cracking. SILICA-FREE | Healthy Skin = Better Performance | Stripped of fillers and artificial drying agents that trash your skin. Clean, non-toxic, pigment-free Magnesium Carbonate chalk thats safe for kids and adults. TRUSTED | The Only Chalk Endorsed by 100+ Pros In Multiple Sports | Perfect indoor & outdoor rock climbing chalk, gymnastics chalk for bars, liquid chalk for weightlifting and powerlifting, and for bouldering, hangboard training, pull up bar, kettlebell, CrossFit, and pole grip. CONVENIENT | Comes in a permeable, refillable cotton fabric with adjustable drawstring for less mess. FLEXIBLE | Perfect for keeping in your chalk bag - on its own or floating in one of our loose chalk blends.