Chalk up without losing your flow. The Ion Lightweight chalk bag from Arc'teryx rides light and is designed for easy access to chalk while you’re on the move. The siliconised polyester is extremely light, strong and water-resistant. The spiral closure opens wide but also closes tight to prevent spills while travelling. The waistband adjusts for a comfortable fit, and a loop holds your chalk brush. Siliconised 100D dobby-weave polyester Pack Attachment Elastic loop holds a chalk brush Spiral closure with drawcord system prevents spills and is easy to use Opens wide for quick and easy access to chalk Contains materials that meet the bluesign® criteria Size M dimensions: W 13 x L 22 x D 14.1cm Size L dimensions: W 13 x L 25 x D 14.1cm Arc'teryx Ion Lightweight Chalk Bag - Black