It´s made from leather of unnown provenience to make for a diagonal carry. From looks alone I would have to say, that, from my experience, I suspect it will get top-heavy and slide out, for it looks as if there were no straps to hold it in. But, with no tutoring at all, a fine first try, mate!
For all you newbies out there wanting to have a try, too, here´s an excellent tutorial on sheath making:
Click here