Flexible volume: A removable and foldable plastic storage box has a volume of 65L for small items. The bike wagon's back side wall can be detached flatly, allowing more space and more oversized items to be placed.Safe ride: Triple safety features help your load stay visible in the darker hours. A red flag, four reflectors and reflective strips around the wheels protect you and your stuff on this bike cart.Durability: Despite having a frame that eliminates a heavy pull, the bike trailer cargo is tough with a strong metal construction and bottom. Large pneumatic tires keep traction well and absorb vibrations to keep things smooth.Easy to use: The simple and quick-attach system fits 19-35mm seat posts. The bicycle trailer disassembles easily with quick-release wheels and folds into a small package to keep easily out of the way.Overall dimensions: 145L x 61W x 76/81Hcm (without red flag) Detach and store dimensions: 67L x 48W x 26Hcm. Weight capacity: 40kg.