I have set the shipping time to 4-7 days, but if you purchase this item immediately, I can ship it within 1-3 days. m(_ _)m *No price reduction.* I have a lot of this cardboard, so feel free to comment. I also sell other specialty papers. Although there are few, please take a look if you like → #kySpecialtyPaperProducts ◆About Inquiries◆ *For this cardboard, the maximum number of A4 size sheets that can fit in a post is 25.* Depending on the number of sheets, I may recommend selling them separately due to shipping costs. (Example For those who want up to 50 A4 size sheets → Ship in 25 sheets each (up to 75 sheets total) ↑ If you want more than this, shipping via courier service is more economical. ◆About the Product◆ 【Paper】Thick paper, cardboard (※There is no official name) 【Color】Gray on both sides 【Size】A4 size (210 x 297mm) 【Number of sheets】20 sheets + 2 extra sheets 【Thickness】Approximately 1mm It is about 1mm thick, so I think it is quite durable. I also use it for shipping! How about using it for cardboard, crafts, handmade materials, or for shipping products? ◆About the Condition◆ Although it is unused, there may be scratches, stains, scuffs, and dents on the surface of the cardboard from the beginning. Please understand that it is not a perfect product. ◆Inventory◆ Cut to A4 size → Over 200 sheets in stock ◆About Shipping◆ Shipping is planned via Yu-Yu Merikari Bin. #SpecialtyPaper #ThickPaper #Cards #Cover #Crafts #Craft #Handmade #CoreMaterial #MountingBoard #Divider #Cardboard #Bromide #TradingCards #Packaging #Wrapping #Reinforcement #BackingPaper #PatternPaper #Printing #PaperCraft #DrawingPaper #HandmadeMaterials #HandmadeMaterials #ColoredPaper #Crafts #Materials #Paper #AccessoryMountingBoard #Materials #PaperCutting #Chigiri-e #DM #Kirigami #Goshuincho #FancyPaper #CraftPunch #POP #MessageCards