18Pcs 5 Ring Loose Leaf Binders Rings 9 Colors Plastic Book Binder Rings Flexible Translucent Binding Spines Combs Snap Split Hinged Versatile for DIY Travel Diary Notebook Photo Album Supply 18Pcs 5-Ring Book Rings: 18Pcs Book rings are translucent, 9 colors in total, 2pcs/color, fresh and light colors can look relaxed, perfect for book binding. Each size about 1.61x0.67 inch(4.1x1.7cm). 5-Ring Snap Split Design: Plastic binder rings use 5-ring snap design, can be easily opened and close, can be split into 2 halves and connect with a swivel rivet tightly, can lock safely and tightly enough. Plastic Book Binder Rings: Loose leaf binder rings are made of high quality plastic, not easily crack, rust or split, lightweight but sturdy and durable to use. More Convenient to Use: 1. Break the loop with hands, put the loose-leaf core into the gap; 2. Close the loop to finish binding. Loose-leaf binder can be opened many times, can install it at will. Ideal Office Supplies: Binding combs are widely applied in loose-leaf paper packaging, loose-leaf books, paper cards, study cards, travel diaries, document binding, planners, and recipes, can provide help to students, teachers, and office workers, and are also good back to school gift choice.