Aesthetic & Functional Design: Set of four transparent holders keeps your 3 × 5 cards visible and organized. Perfectly sized at 4.9" × 3.7" × 5.3", each box holds 100 cards with snap closures that secure all your notes and flashcards on the go. Customizable Organization: Each box includes five vibrant tab dividers and 10 blank sticker labels for personalized organization—ideal for categorizing flashcards, recipes, project prompts, or study notes. Compact & Portable: Designed for frequent use, these lightweight yet robust cases are easy to carry—whether in backpacks, desks, or on-the-go—with secure snap closures keeping cards safe wherever you take them. Multi‑Purpose Use: Ideal for students, teachers, professionals, and home cooks. Use for studying, recipes, daily reminders, office meetings, creative brainstorming, and more—bringing order and convenience to any task. Buy a Pen, Give a Purpose: With every Yoobi purchase, one item is donated to a child in need in the U.S., through our partnership with the Kids In Need Foundation—helping classrooms in underserved communities thrive. Perfect Gift & Essential Supplies: An excellent gift idea and back-to-school essential. Functional, fun, and purpose-driven—this set keeps knowledge, creativity, and kindness organized in every setting.