Ion Lightweight Chalk Bag Chalk up without losing your flow. Our Ion Lightweight chalk bag rides light and is designed for easy access to chalk while you’re on the move. The siliconized polyester is super light, durable, and water-resistant. The spiral closure opens wide then closes tight to prevent spills while travelling. The waistband adjusts for a comfortable fit, and a loop holds your chalk brush. Barely used. Like new. Fixed price