●Box contents: 250 g pure magnesium carbonate in powder form (MgCO3) – basic, white ●Good grip: our chalk ensures the perfect grip - whether on the rock or in the climbing gym. Due to the basic property, it neutralises acidic hand sweat. ●Resealable bag with 250 g magnesia content ●Powder: very fine chalk, which is easy to spread and apply. ●Universal: suitable for beginners and ambitious climbers/boulderers alike