Item Type: Compartment Box Material: PP Model: 1221 Size: Approx. 235x165x60mm/9.3x6.5x2.4in Maximum Grids: 8 Grids, Top 4 Grids (Non Adjustable), Bottom 4 Grids (Adjustable) Package List 1 x Compartment Box (2 Layer) Please allow slight size error due to manual measurement. Thanks for your understanding. 18 GRIDS: This compartment box has 2 layers, upper 4 grids, bottom 4 grids, could keep your small parts well organized without messy. 2DETACHABLE DIVIDER: The dividers on the bottom are detachable for more flexible storage, convenient for storing items with different sizes. 3PP PLASTIC MADE: The storage box is made of transparent eco friendly PP plastic, sturdy and falling resistant, easy to see the inside. 4TIGHTLY CLOSED: The dividers and cover are tightly fixed and closed, you do not need to worry about the items inside from falling and loss. 5VERSATILE USE: This organizer can be used for organizing your jewelry, tools, electronic accessories, sewing crafts and more.