binding binder 12mm hole binding mechanism for vocabulary document and A4/30-hole rings, loose-leaf rings, diameter, notebooks, storage, organization.

💙【Specifications】Package contents: Set of 10 (white + light pink + purple + black + orange + green + blue + clear powder + cherry blossom powder + yellow); Size: Inner hole diameter 12mm, hole distance approximately 9.5mm, length 283mm. 💛【Material】Made of plastic, it is hard, durable, lightweight, corrosion-resistant, impact-resistant, waterproof, and UV-resistant, and will not discolor over time. 💜【Features】The ring length can be cut with scissors, making it suitable for various paper sizes: 30 holes/A4, 26 holes/B5, 20 holes/A5. 💚【Special Design】The buckle design allows for easy opening and closing; it can be opened and closed directly by hand, allowing you to freely change the number of sheets of paper. 💗【Usage】With its large capacity, it can be for a variety of things such as DIY vocabulary notebooks, learning cards, calendars, photo albums, notebooks, font books, recipes, materials, documents, travel diaries, etc.; suitable for most people, including students and teachers. A4/30-hole binding ring, loose-leaf binder ring, 12mm hole diameter, binding mechanism.