If you want 100% mineral spirits, as the bottle in the picture represents, you will be disappointed. The product is named the same, "Orderless Paint Thinner;" but it is not 100$ mineral spirits. Both bottles are 32 ounces, one is 909 ml, the other 946 ml. For what it is worth, the ml density reflects density of the fluid and the volume, whereas the ounces reflects the weight. When they don't match, you've got a different fluid. (p.s. this was learned in chemistry class, though you can also get tSee full review