9x7 5*9cm DIY Prototype Paper Single Side Prototype PCB Universal Board Experimental Bakelite Copper Plate Circuirt Board Yellow
https://www.vogueparade.com/shopping/EN/4003/2/1005002659556576/9x7-59cm-diy-prototype-paper-single-side-prototype-pcb-universal-board-experimental-bakelite-copper-plate-circuirt-board-yellow//