Thick cardboard (white front, gray back) A5 size, 100 sheets Thickness per sheet: Approximately 0.40mm Paper thickness is measured by an amateur, so there may be some errors. This is thick cardboard with a white front and a gray back. It is used for backing boards, core materials, packaging, patterns, etc. These are items stored by an individual. There may be scratches, stains, and scuffs on the paper surface. They are not perfect. Also, there are limitations to accurately representing the actual color in the images. ⚠️Please purchase only if you understand and agree to these conditions. #SpecialtyPaper #Poster #Origami #Craft #FancyPaper #WashiPaper #Hako #Letter #PaperCraft #Envelope #ThickPaper #Crafts #Calendar #Handmade #Collage #Pattern #Packaging #WrappingPaper #Printing #Label #Decoration #Stationery #Card #BusinessCard #ChopstickWrappers #Diary #Invitation #PaperMaterials #Catalog #Wrapping #BackingBoard #Cover #NoshiPaper #Menu #Pochi袋 #PaperCutting #Chigiri-e #BookCover #Mounting #Flyer #PaperBag #ThinPaper #Placemat #Printmaking #FlatBag #ThankYouLetter #ThankYouCard #PaperContainer #FolkCrafts #Kakegami #Chiyogami #Kaishi #NameTag #Tag #PriceTag #MinoWashi #IyoWashi #TosaWashi #KomaPaper #FlowerArt #FlowerArrangement #OKBall