8pcs Chalk Block Anti-Skid Magnesium Powder for Sports Fitness Gymnastics Rock Climbing Weight Lifting Barbell Features: The product is a square magnesium block, which can be applied to the hand support, or can be placed in the magnesium powder box. It is made up of magnesium carbonate which acts as a drying agent by absorbing sweat from hands. It prevents equipment slippages, ensuring strong and reliable grip. It is excellent for making your hands dry for weight lifting sessions, power-lifting, rock-climbing, cross-fit training. Moreover, it can provide better grip over barbell, dumbbells and slippery surfaces Specification: Color: white Material: magnesium carbonate Size: 9cm/3.54" 9cm/3.54" 4.5cm/1.77" Weight: about 60g/pc Quantity: 8pcs Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 8 Magnesium Block