Two Types of Packing Materials Set 《Set Contents》 Cushion Envelope A4: 3 sheets 宅配ビニール袋 A4: 5 sheets The number of sheets for the materials can be changed according to your request. If you wish to make changes, please let us know in the comment section. This is a small set of two types of packing materials that are convenient when shipping via Rakuraku Mercari Bin or Yuuyu Mercari Bin. I also use them myself.