Luggage Carrier Bag with Expandable

WATER RESISTANT: Rhinowalk bike trunk bag made of sturdy Tarpaulin which is strong water resistant and durable.FOLDABLE CAPACITY: Large capacity bicycle bags rear rack can be unfolded with zippers to a bike pannier when you need more capacity.MULTIFUNCTION: Delicate bike bags comes with shoulder straps can use as messenger bag. Portable design convenience your travel life.THICKEN PAD REDUCING SHOCK: Padded inside reducing shock while cycling. Detachable partition for usage flexibility.INTERATED BODY FRAME: Hard to deflective during using.Protect clothes, shoes, phone, clothes, shoes, phone, cameras, kettle and other belongs into the bike trunk bag confidently.