The Friction Labs® Chalk Disc is an innovative upgrade to the traditional chalk block. Its circular shape and durability provide a precision application with minimal dust to elevate grip for any activity that demands confident hands. Made in the USA with Friction Labs® pharmaceutical-grade chalk for long-lasting moisture absorption that’s great for all skin types, including sensitive skin. Designed with a circular shape for precision application wherever you need grip. Engineered for durability to minimize dust and mess. Stay whole or can be broken down to your preferred size and shape. Tube packaging is portable, resealable, and curbside recyclable. Use the chalk. Recycle the rest. With your help, no part of this packaging should ever end up in a landfill. Each tube contains 4.25 oz of chalk in the form of 5 x 0.85 oz individual discs.