The Y&Y Chalk Stopper reduces the amount of chalk you waste, helping the environment and your wallet. The magnetic closure which automatically seals in the chalk to improve air quality in gyms and the general cleanliness of outdoor crags. Less chalk dust in the air means cleaner air, which can only be a good thing. Reducing the chance of knocking your chalk bag over and wasting your precious Friction Labs BamBam also doesn't sound so bad.
Opening diameter : 12cm
Depth : 18cm