Say goodbye to boring rulers and add a pop of colour to your pencil case with our aDeer 20cm Triangle Pastel Acrylic Ruler. With its dreamy gradient of pink, yellow, and blue, this transparent ruler isn’t just a stationery essential — it’s a vibe. Crafted from durable acrylic and designed in a sleek square profile, this 20cm ruler is perfect for school, journaling, DIYs, and even aesthetic desk setups. Whether you’re measuring, underlining, or drawing straight lines, it does the job with style.