Description: Introducing our premium index cards for all your note-taking needs! Made from high-quality paper, these proofreading cards are flat, thick, and compatible with various pens without any ink leakage issues. Environmentally friendly, durable, and anti-wrinkle, these index cards are built to last. The double-sided printing feature allows for more economical use of the paper and worry-free writing on both sides. Designed with pastel colors to reduce eye strain during long study or work session, these index cards are versatile and suitable for various applications. Whether you're in the office, at school, or preparing for exams, our index cards are ideal for systematic learning of words, formulas, and arithmetic. The paper cover adds a touch of elegance to your note-taking experience. Upgrade your note-taking game with our multi-functional index cards - the perfect companion for enhancing productivity and organization in your daily tasks. Get yours today and experience the difference! Item Name: Colored Index Card Material: Paper Features: Vibrant Color, Widely Used, Eco-friendly, No Odor Size Details: L: 12.7cm/5", W: 7.6cm/2.99" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 50 x Colored Index Cards 2 x Kraft Paper Covers 1 x 35mm Metal Ring