The M-Series is a new generation of boxes for light to moderate loads up to 1,000 kg, which can be because of the patented clip system repeatedly assembled and take apart without tools. Boxes of the M-Series are made stable and are suitable for the one-way shipping and as returnable packaging. 4 different types with different price ranges stand by to choose from. The containers are manufactured in 40 different standard sizes and are specialized for various applications. In addition, the M-series is build in any desired sizes.