Rolser shopping trolley in folding aluminum with 2/4 wheels. In a two-wheel position to pull along when empty, and in a four-wheel position to push along when full. Is one of Rolser’s many technological advances. The design incorporates our innovative rotating wheels system that allows you to steer the trolley in a more convenient and precise manner. The 4LT chassis has a folding system forward for complete folding. This chassis is fitted with an adaptable device for coupling to the supermarket trolley, do not have to leave it at the shop entrance. 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.