Specification: Material: polyester, weight: 85g Expanded size: 41x30x11cm, storage size: 12x7x7cm Color: black, gray, red, rose red, sky blue, navy blue Features: 1. Lightweight design, with storage bag, compact storage, one-handed control. It is close to the palm of your hand after storage, so you can carry it with you without burden. 2. Small size and large capacity, the bag is enough to hold the items needed for travel, and the capacity is more than 20L. 3. Water-repellent fabric, not afraid of rain, comfortable and delicate hand feeling. 4. Breathable mesh shoulder straps are comfortable and breathable, reduce the pressure on the shoulders, and carry lightly 5. Mini adjustable buckle, flexible and compact, free to adjust the length of the shoulder strap 6. Selected wear-resistant fabrics, fine workmanship, and side pockets are designed for easy storage of water cups or umbrellas. Package include: 1 x Outdoor Backpack Multi Compartment: Generous main compartments and multiple pockets allow you to keep all of your gear secure and organized. PORTABLE: Perfect for traveling, hiking, cycling,camping and other outdoor activities. Enough space for 3 or 4 days trips. HUMANIZED DESIGN: With the ultra light weight and wide shoulder straps, Breathable mesh shoulder straps which helps relieve the stress of shoulder.Padded and adjustable shoulder straps allow for a custom, comfortable fit,Padded mesh back panel for better comfort. Water-resistant: Made of safe rip-stop polyester material, nylon fabric material, water resistant, tear resistant,it is durable for long-time use. Lightweight backpack for outdoor, Ultralight, only 0.19 pounds for 20L large capacity,reducing the backpack loading weight so that you can carry more other items.