Eye-Ease Flow Clear Anti-Fatigue Ruler (15cm & 20cm)

High-appearance stationery essential designed to shield your sight and boost your focus. Featuring an innovative dual-color grid coating that softly diffuses bright light, this multi-functional ruler helps you map out your ideas flawlessly while keeping your eyes refreshed and ready to own the moment. High-Contrast Smart Marking: Features oversized, bold numerals and distinctive 5cm color-block indicators. Combined with a crystal-clear, high-transparency body that never obstructs your text, you can measure and read coordinates instantly without squinting. Safer Rounded Corners: Designed with completely smooth, polished rounded edges. No sharp points means it glides smoothly across your premium 100gsm planner paper without scratching the surface or catching on your fingers. Two Essential Lengths: Available in a compact 15cm pocket size (perfect for sliding into your M5/A7 binders or portable pouches) and a standard 20cm size for everyday exams, geometry layout tracking, and professional desk work. *Note: This product is designed to relieve visual fatigue and aid healthy eye habits; it does not replace medical corrections for existing myopia.