the best cycling bags are super durable for your rear bicycle rack, and perfect for hauling gear on daily commutes such as work or gym clothes, water bottles, tire repair kits or bike pumps, rain gear, phone, cameras, a laptop or even a lunch. most of the bicycle bags have enough storage space for your bike trips. well-designed bicycle pannier bags will let you carry your kit when on or off the bike, and messengers look pretty cool however you use them. some of them are also good for grocery store runs. we are bicycle bag manufacturers , many products also include reflective strips to help you to stand out when in the night time.