The Black Diamond Chalk Reserve is a roll top bag for storing chalk. Whether you wish to put your whole chalk bag inside, or just extra chalk that won't Fit into your chalk bag, this bag will secure it. Close the roll top at least 3 times then clip it, which will prevent leaks in and out of the bag. Yup, that means no more chalk unexpectedly dusting your gear from inside your bag. Final SALE: For safety reasons, we cannot accept returns on load-bearing Climbing equipment. Sorry for being so mean. Features of the Black Diamond Chalk Reserve Roll top and seal Manages your extra chalk, with a lunchbag inspired design that provides leak-free storage