STAMPENDOUS-Storage Solutions. These clear reusable top-opening boxes fit standard vertical magazine holders. The Thin size is great for keeping clear stamps clean and organized. The Thick size is perfect for clear stamp blocks; ink pads and stamping supplies. The Thicker size is ideal for wood stamps; glitter tubes and more. This package contains one Thick Box: 11 by 8-1/2 by 5/8-inch Made in USA.