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 x 8 1/2 x 5/8in. Made in USA.