The shell is composed of 10 layers of acrylic panels. This is a acrylic case designed specifically for 5 only , not compatible with for 4B. It provides the available protection/accessibility for the 5. This acrylic case has space and is compatible with for 5 Official heatsink and fan , and also matches all interfaces of for 5 motherboard. Openings For 40PIN GPIO, PCIe, / Interfaces And Airflow Vents On The Top And For Battery Connector/UART Header On The Side, With Power On/Off Button. Easy To Pull & Plug TF Card On The Bottom NOT include for 5 motherboard and for 5 official active cooler. Colour:Multicolor Material:Acrylic Package Contents: 1 * Shell 1 * screwdriver (screwdriver styles and colors are randomly distributed, and the designation is not accepted). 4 * Non- mat Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.