Description: 10 Sheet of Stamp Stock Black & Double Sided Page (7 Strips) & 9 Binder Holes. Specification: Color: Black. Material: PVC. Size: about 21.6cm/8.50'x28cm/11.02'. [Conversion: 1cm=0.3937 inch, 1inch=2.54 cm]. Features: Clear stockpages are single side,you can view the front and back of the contents. Black stockpages are double sided with black background. Pocket measurement is 33mm Height x 196mm. All material are acid-free and chemical softener-free. Will fit all Kintome binders and standard 3-and 4-ring binders. Suitable for the storage of all philatelic items,from single stamps,FDC's bookletsmpartial sheets and blocks to postacards,paper currency photos,maximum cards and coins etc. Please note that sample photos is only for reference, this listing do not include any stamps. Package Included: 10pcs Stamp Stock Pages. Note: -Due to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully. -Please allow 1-3CM differs due to manual measurement. -Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.