So you see this thin box and there is no useful marking on it and everything you see , this 1U thin box is made of plastic. Because you think it's fake, you don't want to open anything if you're sending it back intact and virgin. Not correct! The stretch sides are inside. So 2U, but not visible from the outside. Please note that it is made of very thin plastic and there are no diagrams to help you understand this. It would be nice. So the item itself is worth 3 stars. The 3 times I've sent it back as the wrong item because of the way it was packaged has deducted a star.
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