Cool Pencil Case - Who Let The Dogs Out Pencil Cases Collection (Grey Schnauzer) There are five dogs to choose from in this pencil case collection, and each offers an adorable plush puppy with plenty of space to hold all of your pencils, pens, highlighters, erasers, and more! You'll never be alone again when completing your school, work, and daily assignments! Each pencil case even features a small "leash" attached to the collar, which you can put on the zipper of your backpack to have your best friend out during the day at all times Maximum capacity is approximately 20-25 pens.