... to 50,000Board ShapeRetangular,round,slots,cutouts,complex,irregularBoard TypeRigid, Flexible, Rigid-flexibleBoard MaterialFR-4 glass epoxy, FR-4 high ... 25mmCopper Weight1.0, 1.5, 2.0 ozSolder MaskDouble-sided green LPI,Also support Red,White,Yellow,Blue,BlackSilk ... ScreenDouble-sided or single-sided in white,yellow,black,or negativeSilk Screen Min ...