Large-capacity pencil case with double opening window, layered storage / farewell messy Double-open design to find in 1 second, can be installed and easy to find, sorted by categories Material: Canvas Weight: 140g/121g The elastic band on the side can easily place daily writing pens 2 card pockets for exclusive use of cards and business cards 2 net pockets for rubber, scissors, etc. Double-opening window pen case for layered storage, can hold 40 pens, 20cm ruler Customized zipper buckle/big teeth are not stuck, every tiny detail cant be ignored, excellent zipper/smooth opening and closing without stuck, elastic straps/convenient storage, high-quality mesh/sturdy and durable, selected 12A canvas/ Just to focus on quality Use 420D lining to feel smooth, delicate and durable