Check the listing for details. 2Pcs FR4 Double Side Copper Clad, PCB Laminate Circuit Board 100 x 70 x 1.2mm. Condition: New. Listed at 8.08 USD. These PCB copper clad boards are great for your prototyping projects. Suitable for making model train ties, custom circuit printing tests, circuits projects, etc.SpecificationColor: Copper ToneMaterial: FR4 Glass Fiber, CopperThickness: 1.2mm / 0.05 inchOverall Size: 100 x 70mm / 3.9 x 2.7 inch (L*W)Package Content: 2 x PCB Copper CladAdvantagesThey are made of FR4 glass fiber, very well built, with good adhesion of the copper to the fiberglass (no peeling or chipping).InstructionEasy to use and make your own PCB for electronic projects or make signs for your business.NoticeThe boards may come with superficial scratches and surface marks but don't affect performance.