Material: Durable Oxford Fabric.Water resistant,can keep your backpack contents dry on a rainy day.

Dimensions: About 18.5''(L) x 14.2''(H) x 5.9''(W); color: black

Capacity: 40L. Multiple storage compartments will meet your requirements.

Soft decompression shoulder straps design make you more comfortable.

Reflective strips will keep you safe for cycling at night.