The Peak Design Ultralight Packing Cube XX-Small Sage is a weather-resistant cube for organizing small odds-and-ends while travelling. It features taped seams and weatherproof materials, including ultralight proprietary Terra Shell 50D material that is highly weatherproof and durable. The weatherproof face and back coatings, plus taped seams, keep contents totally dry. It also includes a weatherproof #5 UltraZip, built to withstand decades of use thanks to proprietary abrasion-resistant thread. This product is 100% recycled, Bluesign approved, and PFAS-free. Its small footprint fits it in tight spaces and it comes with a lifetime guarantee.