Hologram Sleeve Pocket Soft L-size, A7 size, 6 holes Size: 131mm (height) x 91mm (width) Thickness: 0.04mm Hole size: 4mm Material: Polypropylene These are sleeves with holes punched in them. The holes are made by hand, so there may be variations in the position and unevenness of the holes. Please also understand that there may be fine scratches or marks on the surface where the stickers are applied, and that there may be initial imperfections. There is no problem with use, but please refrain from purchasing if you are looking for a perfect product. Also, dust may adhere to the product. Please be aware of this beforehand. 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 stated above.