[DURABLE MATERIAL] Made of long lasting multi layer stainless steel, and rust-proof for reliable and long-lasting use; [FLEXIBLE DESIGN] Easily split into halves and securely connected with a metal rotating rivet for a safe lock; [SUFFICIENT QUANTITY] Includes 10 pieces to create multiple notebooks and albums without frequent replacements; [WIDE APPLICATION] Suitable for travel diaries, photo albums, scrapbooks, and loose leaf notebooks; [PERFECT SIZE] Fits most book sizes with compatibility for 6 hole, 20 hole, 26 hole, 30 hole inner cores

What's in the box
10 x Book Rings