You can purchase this item directly. This is a set of 7 saving refills ◡̈♥︎ The front is matte, and the back is clear, allowing you to see through the bag. On the matte surface, you can check with a pencil and erase it♪ Length: Approximately 17.5cm Width: Approximately 10.1cm Because it is handmade, there may be slight misalignments or waviness, so please understand this beforehand. As this is made by a amateur, please refrain from purchasing if you are looking for the perfection of a mass-produced product.