ITEM NAME:5 Pcs Single Side Copper Clad Laminate FR2 PCB Circuit Board 12x18cm Hot S FZC.Panel: FR2. 5x PCB Board. Material: Synthetic fiber + Copper. Layer: Single side. Board size: Approx. 7.09 4.72"/18 12cm. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted.