Keep your food fresh in the Lock & Lock Classic 3 Piece Set Small. Made from impact, scratch, heat and stain resistant BPA-free polypropylene, the Lock & Lock Classic 3 Piece Set Small is conveniently both freezer and microwave safe, and the low permeability factor of the containers ensures food stays fresher for longer. The lid closes with Lock & Lock's patented interlocking system on all four sides, which together with the silicone seal makes it totally airtight and leak-proof. The Lock & Lock Classic 3 Piece Set Small is comprised of 1 x Rectangular short 350ml and 2 x rectangular short 470ml which are dishwasher safe for complete and convenient cleaning. With its stackable, space saving design, Lock &Lock Classic containers come in a variety of shapes and sizes for all your storage needs.