PET material storage box, frozen preservation https://www.teo-home.com/product/kitchen-storage-boxes/transparent-refrigerator-storage-box-with-lid-kitchen-set-pet-sealed-storage-box-fresh-plastic-finishing-frozen-preservation.html Product Category Food Preservation Box Specification Large 37.5*23*11 cm, medium 34.5*20.5*9.5cm, small 34.5*10.5*9.5cm Material Plastic Is there a patent No Copyright No Whether to import No Colour Transparent color