... ) Have passed FDA, LFGB and REACH.7) Don’t absorb food odor, stains and residues. Relative information of casserole Size packaging ... temperature glass, Pyrex remains the ideal medium for safe, dependable food preparation. Great for cooking small portions, side dishes and re-heating ... glass is non-porous, so it won't absorb food odors, food flavors or food stains Clear glass allows you to watch your ...