ITEM NAME:10x DIY Prototype Papier Universal PCB Matrix Circuit Board 7x9 Circuit Board Descriptio n Description: 100% brand new Made of high quality material Practical and durable Fine workmanship Long service life Specifications: Material: Substrate: Copper Insulation Material: Organic Resin Reinforced Material: Fiberglass Fabric Insulation Resin: Epoxy Resin (EP) Color: Yellow Size: 5*7CM Package Included: 10 *Â DIY Prototype Paper PCB Circuit Board Note: 1.Due to the manual measurement and different measurement methods, the actual size could be slightly different. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. 10x DIY Prototype Papier Universal PCB Matrix Circuit Board 7x9 Circuit Board.We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted. We'd like to settle any problem in a friendly manner. Size: 5 7CM. Color: Yellow. Reinforced Material: Fiberglass Fabric.