HANCHOR Balloon Ultra Light 0.6oz CTF3 Chalk Bag, w/Dyneema Drawstring Closure and Adjustable Quick-Clip Waist Belt - for Rock Climbing, Bouldering & Gymnastics The lightest chalk bag in the world, weighing only 0.6oz (17.2g) Made from premium outdoor industry material CTF; ultralight, waterproof and tear-resistant Efficient and compact construction; can be compressed and flattened to take everywhere Contemporary, stylish aesthetic design Handmade production with high-quality finishes