Stackable Storage Bins-- The top of the drawer has groove design ensures stacking. Use these stackable drawers to save space, which is also keep organized. Pull-out & Install Easily--Built inside sliding rail allows you to open and close these acrylic drawers, making it a breeze to access hard-to-reach things. Put anti-slip silicone pads on the bottom of the acrylic box to make it more stable and not easy to slide. Just insert the connecting holders into the groove of the bottom plates and install the upper plate. 3 Sizes Acrylic Organizer—Our storage drawer organizer set comes in configurations of 3 sizes of bins,the large size is 12"L x7.5"W x 9.7"H, the medium size is 12"L x7.5"W x7 "H, and the small size is 12"L x7.5"W x 4.4"H to meet your various storage needs. Each unit is made of high-quality transparent acrylic. They are also dustproof and waterproof, keeping your belongings organized, tidy, and clean.