Characterized by no radiation and stable performance, this cell phone signal sticker ensures safe use.Our cell phone signal enhance patch captures stray radiation within the phone and re-radiates the signal to improve the performance of your phone.It is made of paper and metal material.The length of this product is 5cm, the width is 2.5cm and the thickness is 0.1cm. The product works on analog, digital and tri-band phones. Also, it fits all cell phones, PCS, and cordless phones.Item Name: Phone Signal StickerMaterial: Paper, MetalFunction: Cell Phone Signal EnhanceFeatures: Ultra-thin, Easy Installation, Stable SignalSize Details:5cm x 2.5cm x 0.1cm/1.97" x 0.98" x 0.04"(Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:6 x1 x Phone Signal Sticker