Here's what other sites are saying:
The classic round shape of Petzl's Bandi, along with a reinforced large opening allows for easy access. Its soft fabrics won't cause discomfort when wearing a pack or when your back is against a rock wall. The chalkbag can be opened with only one hand should you forget to open it before you started climbing. There's an emergency whistle integrated into the closure system's cordlock (patented) just in case you need to call for help.
When you need to up the friction, dip your paw into the Petzl Bandi Chalk Bag. This bag's classic round shape makes for easy dipping thanks to its reinforced rim and double attachment loops. Petzl also integrated an emergency whistle into the drawcord lock for rescue scenarios.
Petzl Bandi Chalk Bag FEATURES of the Petzl Bandi Chalk Bag Classic round shape The reinforced rim maintains the shape of the bag Elastic brush holder for cleaning holds Double loops for stability allow easy attachment to a belt or carabiner The wide, round shape and supple fabric allows for easy access to chalk and is comfortable to use Micro-fleece interior liner resists matting and ensures good transfer of chalk to the hand Soft liner flap prevents accidentally losing chalk Cordlock closure system can be easily opened with only one hand Bag includes an adjustable waistbelt Ideal for sport climbing The SPECS of the Petzl Bandi Chalk Bag Weight: 75 g One-size-fits-all Material(s): Polyester, nylon and polypropylene Waistbelt included ALL CLIMBING SALES ARE FINAL.
The BANDI chalkbag's classic round shape with reinforced large opening allows for easy access. The soft fabric won't cause discomfort when wearing a pack or when your back is against a rock wall. The closure system is efficient, thanks to the cordlock. It can be opened with only one hand should you forget to open it before you start climbing.