I had been looking for something like this for a while. I had been using a plastic container from the dollar store to keep it all in but every time I opened it the glass vials would go everywhere or stuff would fall over. I saw a picture on facebook of someone having something similar and I thought to myself, heck that would be a good idea. I went to Harbor Freight and they carry Apache hard waterproof cases normally for tools or guns. These have big blocks of foam in them and the block itself is made up of hundreds is squares that you can pull out yourself to make the perfect shape. The one I bought was $40 and was able to fit all my testing equipment and I couldn't be happier.