Seria A5 size for 6-ring binder Free pocket refill, 20 sheets per pack × 4 sets Inner dimensions: 210mm (height) × 110mm (width) Perfect for sticker albums (*´꒳`*)ノ The size fits your collected stickers perfectly ⭐︎ The product will be placed directly into an envelope and shipped via Yu-Packet Post. Please understand this before purchasing! Please refrain from price negotiations. Feel free to ask any questions・:*+ Seria Refill File Sticker storage