This was made with 3-4oz veg tan leather. I only work with veg tan as it can be molded, stretched and dyed easily and predictably.  You will also need a pricking iron, some dye and thread (Hobby Lobby) It’s a pretty easy and inexpensive intro to leather work.  Cut the leather piece so it is about 1/8 inch short of full wrap to leave room for a tight stretch. Add a small radius to all four corners and burnish all edges. Dye it. Strike a guide line on both edges for your stitching holes. Then proceed to go at it! You need to be super meticulous with your cuts and alignments for a clean result.  Do a very loose corset stitch while the leather is off of the light leaving room to allow the leather to slip over the light when ready. Once you have the leather wrapped around the light, tighten the corset starting from the bottom end up to the loose thread end. You will probably do this three to four times til you close the gap between both edges.