Chunky Chalk is perfect for climbing when you need to dip your hand in your chalk bag and you want it covered in chalk. Also, you do not waste any chalk in the air and can use it till the end.
Black Diamond is an American company founded in 1957 by Yvon Chouinard. It is specialized in climbing and skiing gear. The team is made of sportsmen who look for innovation in every aspect of the production, and Black Diamond is especially sensitive to environmental issues.