Lightweight Sports Mountaineering Bag Portable Folding Double Shoulder Backpack

1. Material: polyester
2. Waterproof material, rainy days to protect the contents of the bag from being wet
3. Multi-layer partition, reasonable organization, easy to take small objects
4. Double zippers, smooth opening and closing without snags
5. Stress pin, strong and durable, easy to adjust
6. Elastic mesh pockets on both sides for easy access
7. Foldable storage, does not take up space
8. Size: 28.5 x 19.5 x 41cm before folding; 20.5 x 17cm after folding
9. Weight: about 185g