Expandable pencil case with large capacity; stores up to 100 pens, markers, highlighters, erasers, scissors, and other school supplies, using multiple compartments for organized tool management. Made from water resistant Oxford cloth with reinforced stitching; includes a convenient handle and an inner foldable structure for compact storage. Suitable for students, adults, children, office professionals, and creative individuals; multifunctional capacity pen organizer for school, work, or travel. Easily slips into school bags, backpacks, or luggage; widely used for study desks, office meetings, traveling, or coffee work with its portable structure. Use scenarios: At school or study desk: keep essential writing tools organized and readily accessible during class or study sessions. On the go or while traveling: fits into backpacks or luggage, helping maintain for tools during transit. In office or at a coffee : portable support for meetings or work sessions away from the desk.