Large Chalk Bag Ergonomic Shape. The Large Chalk Bag Saka Has An Ergonomic Design That Allows Easy Access To The Chalk. Its Soft Material Is Comfortable With A Backpack Or When It Is Resting On The Rock. Its Closing System Is Practical Thanks To A Central Closure Via Lanyard And Tanka. You Can Open With One Hand In Case One Forgets To Open It Before Starting To Climb. Ergonomic Shape To Facilitate Passage Of The Fingers. Rigid Edging That Allows The Bag To Retain Its Shape. Closing The Fabric Bag To Prevent The Escape Of Magnesite During Transport. Toothbrush Holder In Fabric For A Better Hold Of Each Type Of Brush. Lining Stitched The Bottom Of The Bag To Avoid Tipping When You Remove Your Hand From The Large Chalk Bag.