High quality materials The transparent cover of the notebook is made of high quality PVC and metal, soft and waterproof, the light color can help you easily check the interior pages of what you have written.< br >Portable 17 * 23.2 cm / 6.7 * 9.1 inches, light and easy to transport. It is practical for the house, the office, the school and travel, easily slips into your handbag, backpack, suitcase or office.< br >Easy to use Press the two ends of the metal button to open the ring, then insert your own paper into the ring and tap the ring open on both sides to the middle to close it.< br >Perfect gift You can add flying pages, fill and draw any content that you want to make a very creative gift for Mother's Day, Father's Day, thanksgiving, diploma or anniversary.< br >Widely application You can use it for the agenda, the travel journal, the business notebook, the album binding recipe, perfect for the office, the school, make sketches, notes of study.