Made up of good quality material. This product comes in a proper packaging. Durable and long-lasting. DIESEL ADDITIVE: FOR ALL DIESEL ENGINES WITH COMMON RAIL AND PUMP-NOZZLE TECHNOLOGY. ADD THE CONTENTS OF THE CAN TO THE TANK. THERE SHOULD BE AT LEAST 10 LTR OF DIESEL FUEL IN THE TANK 250ML ARE SUFFICIENT FOR 40TO 50 LTR OF DIESEL. ENGINE OIL: ADD THE CONTENTS OF THE CAN TO THE MOTOR OIL AT EVERY ENGINE REPAIRE DURING EVERY OIL CHANGE. IN ADDITIVE THE OIL TREATMENT FOR MOTORES. 250ML ARE SUFFICIENT FOE 3 TO 4 LTR OF MOTOR OIL. Made up of good quality material. This product comes in a proper packaging. Durable and long-lasting.