Modular Storage:Effortlessly organize A4/letter papers, folders, notebooks, and desk accessories with 4 stackable trays. Combine layers freely for customizable vertical storage or compact single-tier use Crystal-Clear:Premium transparent PMMA material showcases a professional aesthetic while letting you instantly locate documents. Smooth rounded edges and polished finish ensure safety and durability Space-Saving & Stable:Non-slip silicone bases prevent sliding on desks. Stack trays securely without wobbling – holds heavy documents while maximizing vertical workspace efficiency Office & Home Multi-Use:Ideal for corporate offices, home workspaces, classrooms, or craft rooms. Stores construction paper, textbooks, invoices, stationery, and small accessories like pens or clips Quick Assembly :Snap layers together in seconds – no tools required. Ideal as a home office desk tray or corporate document sorter. The 4-tier acrylic tray system acts as both a vertical paper holder for desk and a horizontal desk organizer tray.