The Boulder Chalk Bag is for all those who are obsessed with bouldering. It has a unique shape and super size large dimension of 4 liters that enables you to spread both hands at the same time with a sufficient layer of climbing chalk, an adjustable belt with a plastic buckle 2 brush holders and 1 mesh pocket for small items, an ingenious system of chalk circulation, and prompt cordlock closure. Its ideal for bouldering or for gyms where your chalk sits on the floor. Specifications. Material Polyester/polyamide. Capacity 4 ltr. Weight 0.324 lbs