Hologram Sleeve Pocket Soft L-size, A7 size, 6-hole Size: 131mm (H) x 91mm (W) Thickness: 0.04mm Hole size: 4mm Material: Polypropylene These are sleeves with holes punched in them. The holes are made by hand, so please understand that there may be variations in the position and unevenness of the holes, and that there may be fine scratches or marks on the surface where the stickers are applied. There is no problem with use, but please refrain from purchasing if you are looking for a perfect product. Also, there may be dust attached. Please be aware of this. The material is different from commercially available sticker release paper. If you apply paper stickers, they may be difficult to remove or may not come off at all. Please purchase only if you understand everything above.