I have stored this in a dark place after opening it. There are no noticeable stains, but since I have touched it once, please refrain from purchasing if you are sensitive to this. This includes 4 Cheki-style cards and 2 wafer cards. I cannot ship on holidays or weekends. ✄-------------------‐✄ If you have any questions about the product or would like additional product images, please feel free to ask. 25-ji, Night Code de. Kanade Yoisaki Mafuyu Asahina Ena Shinonome Mizuki Akiyama