Specification:
* Material: 500D, PVC, mesh, etc.
* Color: orange/yellow/blue/military green
* Specifications: 30 liters
* Size: 54x36x2(cm), width can be expanded
* Application: motorbike, motocross, riding, cycling, racing, running, sports, travel, hiking, camping, fishing, etc.
*Amazing Feature 1: Detachable elastic mesh bag, good for helmets and other large items.
* Outstanding feature 2: ergonomically designed and waterproof backpack
* Outstanding feature 3: reflective design, safer in the dark/night
* Outstanding feature 4: durable 500D oxford fabric can be worn
* Outstanding feature 5: adjustable, external hook design
*Amazing feature 6: large capacity, most daily use can be held, such as clothes, gloves, keys, wallets, phones, tablets,laptops, books, bottles, glass, etc.