1.Stackable and non-slip design:Our storage bins has a groove design on the top to ensure that it is not easy to collapse when stacking, stacking helps to store more items and save space, and there are 2 non-slip silicone stickers on the bottom for better fixing without sliding, very perfect match design 2.PRODUCT SPECIFICATIONS: Large size 11.81x7.87x4.33 inches/30x20x11cm, single large net weight 860 grams/2.12 pounds. Medium size 11.81x5.51x4.33 inches/30x14x11cm, single medium net weight 731 grams/1.61 pounds. 3.Transparent and Visible:The clear stackable storage drawers for fridge can be stacked infinitely, with transparency comparable to glass, allowing you to find the food you need at a glance, quickly without having to worry about rummaging around in a pile of clutter, which will save you time. 4.Easy To Clean:The refrigerator organizers and storage drawers are made of transparent, thickened, BPA food plastic. The surface is smooth and only needs to be cleaned with warm water and soap,it is are easy to clean and remove.