Product description 15L Large capacity:Large capacity design, can carry computers, ipad electronics, clothes and makeup products, suitable for commuting to work and travel. Multi-functional storage area design:The zipper design protects the contents of the bag from falling, can carry a water bottle, and adjusts the tightness according to the size of the cup, while there is a straw storage space, The material is sturdy and durable, suitable for long-term use . Waterproof material design:The bag is made of waterproof fabric, which can effectively prevent water droplets from penetrating and protect the items inside the bag from moisture. The design of the packaging cup allows for size adjustment, allowing for the expansion or reduction of capacity as needed to meet different carrying needs. The high-quality storage commuter bag that integrates appearance and practicality is the best choice for travel!