ITEM NAME:1x DoubleSide Protoboard Circuit Universal DIY Prototype PCB Board 6x8cm LJ 1x DoubleSide Protoboard Circuit Universal DIY Prototype PCB Board 6x8cm LJ a.imagelink a:hover.imagelink {color:#5B804D;.1x 6 8cm Double-Side Prototype PCB. Both sides are identical. Material:glass fiber.