Maximize Your Organization with Our Spacious Pen Case Crafted From High-quality & Durable Eva Material. This Semi-waterproof Case is Designed to be Drop-proof, Ensuring the Safety of Your Office Supplies. Featuring Air Bubbles in the Lower Part & Partitions, It Absorbs Vibrations & Pressure, Protecting Your Essentials From Being Squeezed by Textbooks. the Smooth Double Zipper Design Allows Easy Access, While the Detachable Wrist Strap Offers Convenient Carrying Options. Whether in Hand, Hanging in Your Bag, or Nestled in Your Backpack Rucksack, This Versatile & Robust Marker Pen Case is Ready to Accompany You on the Go.