Ultralight Mesh Packing Cube X-Small. (Colour: Black) – Ultralight 180g Powernet breathable nylon stretch mesh allows moisture to escape to avoid mildew – ideal for wet clothes or gear. Stretchy material allows bag volume to expand by 2x, providing additional storage space for bulky or oddly-shaped items. Material is see-though, allowing you to quickly identify contents. Durable #5 zip. Bluesign approved. Carry strap sold separately.