Outdoor Backpack External Mesh Bag Expansion Storage Pocket, Size: 35 x 48cm

1. Expand Outdoor Storage Capacity: Creates extra external space on your backpack to easily hold hiking boots, helmets, wet clothes, sleeping bags, or snacks without taking up internal room.
2. Waterproof Oxford Backing: Crafted with a dual-purpose waterproof Oxford fabric back layer that blocks rain outside and prevents wet gear inside from dampening your main backpack.
3. Durable Mesh Fabric Design: Features lightweight, wear-resistant, and breathable mesh that promotes quick airflow and drying for damp or smelly gear during outdoor activities.
4. Universal Four-Strap Adjustable System: Equipped with 4 adjustable webbing straps and secure buckle fasteners to custom-fit backpacks of various shapes and sizes effortlessly.
5. Drawstring Closure And Compact Foldability: Designed with a smooth drawstring toggle to lock items securely inside, and easily rolls up into a palm-sized package when not in use.

Specifications
1. Material: Black silver-coated Oxford cloth + thin mesh fabric
2. Size: 35 x 48cm
3. Use: Fits various backpack sizes, expands storage space for outdoor gear.