Lock in freshness with the Classic 8 Piece Set. Made from impact, scratch, heat and stain resistant BPA-free polypropylene, the low permeability factor of the material ensures food stays fresher for longer in the Classic 8 Piece Set which is conveniently both freezer and microwave safe. Thanks to the lid which closes with Lock & Lock's patented interlocking system on all four sides and which has a silicone seal, the container is totally airtight and leak-proof. The Classic 8 Piece Set is made up of of 1 x Rectangular short 180ml, 1 x Rectangular short 350ml, 1 x Rectangular Short 470ml, 2 x square short 870ml, 1 x round short 100ml, 1 x round short 300ml, 1 x round short 600ml which are dishwasher safe for complete and convenient cleaning. With its stackable, space saving design, Lock &Lock Classic containers are available in a variety of shapes and sizes for all your storage needs.