The Mura Session Chalk Loose is roughly broken magnesium carbonate (chalk) with no additives, no drying agents, just pure chalk.
Rock Technologies Dry 5 Liquid Chalk has over 70% alcohol / ethanol content and therefore can have disinfectant effects. It is manufactured in the UK and is recommended for use on climbing walls and is also a very good idea during and post Covid-19 for outdoor bouldering / short routes.
The Petzl Bandi chalk bag has a round shape with a large opening to accommodate the entire hand. The soft fabric won’t cause discomfort when wearing a pack or when your back is against a rock wall. Practical closure system with drawstring and cord-lock. It can be opened with only one hand should you forget to open it before you start climbing.
The Ocun Push and belt is a good value, no frills chalk bag for sport and trad climbing in a softshell material. It features a practical pocket at the back for keeping your keys or change, as well as two brush holders and a belt. It's available in a variety of colours that fit in with the rest of the OCUN range, so you can mix and match.
The Metolius Superchalk is loose chalk that's specifically formulated for rock climbing. Fantastic sweat absorption and friction provision.
Friction Lab's chalk has been made with climbers in mind. They take magnesium carbonate (chalk) and treat, refine, and grind it in Colorado, USA. Without using fillers, drying agents, or impurities, their chalk offers to keep your hands drier for longer, without compromising your skin. This pack is their finest grind called Unicorn Dust.
The Beal Maxi Cocoon is a conveniently sized chalk bag with a fleece lining, draw-cord closure. It comes with its own waist belt and has a rigid, unbreakable opening ring.
The OCUN Cool Chalk has been developed and tested for use on cold, dry days in temperatures below 10°C. Cool Chalk has a rougher, not so dusty texture that works better in colder environments and is great for use in the autumn and winter for outdoor climbing and bouldering. Cool Chalk is also better for your hands so it's also suitable for climbers with dry skin.