Adequate Quantity and Color --You will receive 80pcs 8 colors paper oval thread drops and 2pcs iron loose leaf book binder hinged rings. Enough quantity to meet your needs for all sewing thread assortment Reliable Quality --Made of premium kraft paper, lightweight and convenient, strong and durable, not easy to break, and can serve you for a long time Size Reference --Each size is about 50x35.5mm/1.97x1.4", 0.2mm thick, hole: 8mm/0.31", 18.5mm/0.73"; Rings: 6mm thick, inner diameter: 51mm/2" Easy to Use --The large hole can be used to manage embroidery threads, while the small hole can be threaded with an iron ring to manage. You can use different color thread drops to store the corresponding color embroidery threads for easy use and searching The Choice of Storage --They are ideal for storing your threads after you finish a sewing, they won't get your them tangled but keep your them in order