Sea Grip Chunky Chalk 275 g

Performance you can feel. Made responsibly. Sourced from mineral-rich seawater and concentrated through solar evaporation, our chunky chalk is non-mined and contains just one ingredient — high-quality magnesium carbonate. Tested and proven in Squamish, BC. Every 275g bag sold helps remove 1 lb of at-risk plastic waste from our oceans through our partnership with Oceanworks™. Responsibly sourced, non-mined magnesium carbonate Seawater-derived, solar-evaporated Rosin-free, silica-free, no fillers 1 lb of ocean plastic removed per bag (Oceanworks™ partnership)