These pen gift boxes are made of high-quality cardboard material, reliable and sturdy, not easy to wear and tear; clear window design allows you to see what's insideEach pen case measures about 17.5 x 4.3 x 2 cm/6.89 x 1.69 x 0.79 inches, suitable for holding most pens, ballpoint pens, jewelry, etc., easy to store without taking up too much spaceElegant and Delicate: In black color, the ink pen display box looks simple and elegant, with a clear display window, making your gift look more exquisite, perfect for storing pens, necklaces, bracelets, key chains and other keepsakesWide range of uses: Pen gift box is suitable for baby showers, birthdays, anniversary awards, weddings, class rewards, business gifts, anniversary celebrations, trade fairs, festivals and other occasionsColour:BlackMaterial:PaperSize:About 17.5x4.3x2cmPackage Contents:16 x Pen boxesOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.