Keep your foods fresh even longer using this set of glass containers. Multiple shapes and sizes fit your storage requirements when it comes to leftovers, meal preps and more. Features . Strong, high-quality borosilicate glass withstands temperatures from -40° F up to 752° F. Food-grade, BPA-free glass safe for oven, microwave and freezer. 24 Piece Specifications . Weight: 25.21 lbs