Transaprent page with 20 pockets (2-1/8" x 1-7/8" each) for Old Poker Chips and Casino Chips. 
Also great for old slides as you can see below. The sliding strip design allows you to place the item inside, slide it back down into the page, and it is closed on all 4 sides. Ensuring it can never fall out even when turned upside down.
Fits in 4-ring binders No. 5100, No. 480 and No. 481
3 pages per package
