Rolser shopping trolley in folding aluminum with 2/4 wheels, to avoid unnecessary loads. In a two-wheel position to pull along when empty, and in a four-wheel position to push along when full. The 4L chassis has a system forward for complete folding. This chassis is fitted with an adaptable device for coupling to the supermarket trolley, to not have to leave it at the shop entrance. It will help you with any type of transfer of small loads. Perfect for carrying items to the laundrette, to the beach, shopping, fishing, to the gym, etc. The I-Max MF bag comes in backpack format, with a double inside pocket, drawstring closure, eyelet on the flap, and zippered back pocket, and easily adapts to the chassis with a flap.