Now you can take all 108 Dual Brush Pens anywhere you go! The easy to use accordion style base can be unfolded for desk use. When you're ready to take your markers on the go just fold the base and snap the lid on either side. This durable and portable case allows you to stay organized and prepared wherever inspiration strikes. This 11. 25x9x9 inch package contains 108 dual brush markers in assorted colors within one storage case. Acid free. Imported.