Thank you for viewing! These are handmade using craft paper and original stamps. They feature a cat design with the words "Thank you." They are sized to fit folded bills. Perfect for mini letters or small gifts! The stamps use oil-based ink. 2 designs x 10 sheets each, for a total of 20 sheets. Craft paper: standard thickness (70g/m²) These are handmade by an amateur. There may be slight variations in size and stamp placement. They will be packaged to prevent water damage and shipped via standard mail. Tracking (anonymous) shipping is available for an additional 100 yen.