Gym Mesh is perfect for your days in the climbing gym. This stand-alone chalk bag has a large zippered pocket that provides enough space to store a smartphone and valuables. The mesh pocket can be used to store tape, an energy bar, a topo map or your keys. The outer materials are made from recycled polyester with high quality fleece on the inside to reduce dust. The opening can be closed with a drawstring to create a dustproof seal.