5x7 5*7cm DIY Prototype Paper Single Side Prototype PCB Universal Board Experimental Bakelite Copper Plate Circuirt Board Yellow
https://www.vogueparade.com/shopping/EN/4003/5/1005002659590181/5x7-57cm-diy-prototype-paper-single-side-prototype-pcb-universal-board-experimental-bakelite-copper-plate-circuirt-board-yellow//