1. new and high quality.The product is a square magnesium block, which can be applied to the hand support, or can be placed in the magnesium powder box. 2.It is made up of magnesium carbonate which acts as a drying agent by absorbing sweat from hands. 3.It prevents equipment slippages, ensuring strong and reliable grip. 4.It is excellent for making your hands dry for weight lifting sessions, power-lifting, rock-climbing, -fit training. 5.Moreover, it can provide better grip over barbell, dumbbells and slippery surfaces. Material: Magnesium powder colour: White Package Contents: 8 x Sports Chalk Magnesium Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.