Get a grip! This sure-grip 2oz magnesium carbonate gym chalk block helps to keep hands dry and eliminate slippage during workouts. Perfect for use in the gym or at home for activities including gymnastics, rock climbing, bouldering, and all power and weight lifting activities including deadlifts, pull-ups, kettlebells, parallettes, rings and more. Absorbs and eliminates moisture keeping sweaty hands dry and does not easily rub off so you can lift or climb longer with additional confidence, comfort and security for any weight training session. Block can easily be broken apart to refill your climbing chalk bag or stores well in a Ziploc bag or small Tupperware container. Sold in singles, 4 and 8 packs.