HAO PRO 12 Pack Extra Thick Loose Leaf Binder Rings 2 Size Bronze Metal Ring 1" 2" Inside Width Paper Holder Key Ring Lager Book Rings for Cards Flashcards Curtains Document Stack and Swatches

Features

• Two sizes for multiple uses, they are large enough for a stack of index cards to be held and joined together for ease of use as study materials.They make it really easy to flip through a bunch of index cards without them going everywhere.
• These rings good for making DIY flashcard holders，you can constantly add cards or remove cards.They can also be used for loose-leaf,key rings,invoices,Curtains，swatches and sample holders.
• Adopt the environmental electroplating technology,rust proof,beautiful color.The rings are smooth without burr.They are strong, durable and secure.
• Good quality.easy to use: pull to open,squeeze to close and lock for tightly and securely.
• Size:Small size Inside Width: 1"(25.4mm),Thickness: 2.5mm. Large size: Inside Width: 2"(50mm), Thickness: 3mm. Package included: 6 small book rings and 6 large book rings.