DescriptionThis item is designed for loose-leaf book, memo filing, key rings, scrapbooking, sample holder or other loose-leaf items. It is made of material which is sturdy and durable to use. These Binder rings open to hold punched material. It is designed to pull to open and squeeze to close.Features- Color: Silver. - Material: Metal. - Diameter: About 5cm. - Usage: Designed for loose-leaf book, memo filing, key rings, scrapbooking, sample holder or other loose-leaf items. - Made of material which is sturdy and durable to use. - These Binder rings open to hold punched material. - It is designed to pull to open and squeeze to close.