DIY pencil holders are made out of a thick plastic, and about 5” tall with a diameter of 3.5” Each organizer can display one tapered insert that is approximately 10.125” x 4.125” in size Pencil cups have four different top colors to choose from: red, blue, black and white To personalize, remove the color top by pulling it apart from the base, insert your custom design, and snap the cover back into place Customize your cup with a photo, embroidery, kids drawings or anything you can think of Great for storing pens and pencils, but also works with makeup brushes, markers, painting brushes, and more Sold in a pack of 50, these are perfect for school teachers looking for a classroom craft project, or as giveaways at special events