Our chalk bags are carefully designed to be perfect for rock climbing, gym climbing and bouldering. Features: This is a portable chalk bag with a semi-rigid mouth for quick opening and closing. The interior is a fleece structure that allows the chalk to circulate quickly inside. There is an elastic brush slot on the outside for securing a brush. It comes with a 1.2m adjustable waist belt. Suitable for rock climbing, weight lifting, bouldering, gymnastics and crossfit. Specifications: Material: Polyester, nylon. Color: Black/ Red/ Blue/ Green/ Yellow (optional) Size: 11*11*17.5cm/ 4.3*4.3*6.9in Package weight: 1000g/ 35.3oz Package size: 11*17.5*4cm/ 4.3*6.9*1.6in Packing List: 1 * chalk bag 1 * brush