This custom office sticky note set features a PU cover made from high-quality paper, carefully cut for a smooth and fluid writing experience. The ink is resistant to bleeding, ensuring every inspiration and to-do item is clearly preserved. The outer PU cover is made of premium material, offering a delicate touch and excellent abrasion resistance, effectively protecting the inner pages from stains. It remains aesthetically pleasing and durable even in high-pressure work environments with frequent use. Our reinforced binding structure provides exceptional load-bearing capacity, securely holding receipts, business cards, and even small samples, easily handling various note-taking scenarios.