Whether it's humid conditions or an increased need for grip to reach your goal, the Eco Gold Liquid Chalk from Black Diamond is your ally. This liquid chalk provides the extra support needed to succeed in your projects, while being environmentally friendly. Made from pure magnesium carbonate, derived from the desalination process, it is more eco-friendly than traditional alternatives. Non-toxic and dust-free, it takes care of your hands and nature. Add this little marvel to your gear for optimal performance, without compromise.