Back-to-school season represents the largest stationery buying window in North America. Two products dominate lists: the portfolio and the folder. At COWAY LTD, we manufacture both, as well as ring binder combinations. A portfolio typically features a built-in ring binder or prong mechanism, often with interior pockets and elastic closures. It is designed for presentations, art projects, and report covers — a step up from basic storage. A folder, in contrast, is simpler: two internal pockets without rings, intended for loose worksheets or unpunched papers. Which sells better? For grades K-5, colorful folder packs move quickly at lower price points. For middle school and college, a durable portfolio with PP or EPPE binder covers commands higher margins and brand loyalty. COWAY LTD offers customized portfolio sets with 1-inch ring binder inserts, plus matching folder accessories. By bundling these items, your stationery brand can increase average order value. Let our 20+ years of OEM experience help you design the perfect back-to-school lineup. Contact us for a 2026 catalog featuring our latest portfolio, folder, and ring binder innovations.