Your personal stuff must be using unique and personal style to organize! SMART BLOCKS provided variety stacking in total 7 different sizes to store all kinds of goods in every specific block with your mind. The most amazing design is with the small holes on the bottom of BLOCK to leak water and avoid moldy to keep dry all the time. Whatever and whichever you pick up in this series, they could be used in bathroom, kitchen, living room, at home or office or even gardening. Use SMART BLOCKS, smart your life.