MATERIAL : Made of transparent and eco-friendly PP plastic, very durable and convenient to use SPECIFICATIONS : 2 pack 15 grids removable compartment organizer. The box measures : 6.7"L 3.9"W 1H", and the grid size is 1.3"Lx1.3"Wx1"H Adjustable Space :With removable dividers you can adjust the dividers to create your own size compartments. Widely Applicable :Perfect for storing Crafts, Beads, Letter Boards, Sewing Accessories, Jewelry, Art Supplies, Fishing Tackles, Batteries, Nuts and Bolts, etc.