Binders
Business Source 28451 D-Ring View Binder, 5-Inch Capacity, 11x8-1/2-Inch, Black
Sold as 1 Each. Clear overlay on front, spine and back cover for easy customization. Slant D-rings hold 25% more paper than traditional binders; 2 triggers. Pockets on inside and back cover for extra document storage. PVC-free, transfer-safe poly.
https://www.bizrate.co.uk/binders/business-source-28451-d-ring-view-oid5244185228.html