Package List 3 x Set 20 Pcs Mount Metal Plates Characteristics - Each metal plate comes with a adhesive for easy adhesion to the phone or the back of the case. Installed and disassembled quickly without any tools. - Adhesive is highly viscous and attaches to the phone for a long, stable grip, allowing you to hold the phone horizontally or vertically. - The metal plates are not magnetic plates, but are intended for general magnetic mounting. When wireless charging, please keep the metal plate away from the wireless charging sensor. - The ultra- thin metal plate is almost invisible to your phone, and the smooth surface protects the phone from scratches. Perfect substitute for magnetic mounting. - Size: About 4.50X3.50X0.10cm/ 1.77X1.38X0.04in. - Material: Iron. - These metal plates are suitable for any magnetic installation. The metal plate is designed for magnetic mobile phone vehicle support, magnetic vent support, etc. - Color: Black. - 20pcs mount metal plates are available in two different sizes. Give you enough options to work with multiple devices. The 10- piece rectangular metal plates are better suited for large cell phones, cell phones, cell phones, mini tablets and GPS devices. The 10- piece round metal plates are suitable for multiple smaller devices. Goods Description This is a set of mount metal plates, which are manufactured with premium iron material, durable and practical enough to use. Thin metal plates for magnetic mount easily attach to your phone. Smooth surface with no edges would not damage your fingers and phone.