This is Chalk.  This is block chalk and it will help you grip things better.

More similar to the fine rock climbing chalk you've felt in those bags they use; don't get it mixed up with that hard, caked stuff you've seen at a few gyms, this is the best chalk you can get.

• 100% magnesium carbonate
• This is one box of Eight 2 oz | 56g blocks of chalk individually wrapped