<b>Product Description:</b><br><br> <b>Material: </b><br> High Quality White Rigid Box Arrives flat for convenient storage. Every box is rectangle and consistent in size to make stacking or packing easy. Best of all durable enough to be reused.<br><br> <b>Dimension: </b><br> Inside dimensions ：13.5" x 9" x 4"<br> Outside dimensions ：14" x 9.5" x 4.5"<br><br> <b>Features</b><br> 1 seconds fold:4 corners make it easy to fold and unfold.<br><br>