iPhone 6 plus/iPhone 6S plus battery case, Apple MFI Certified-[Lifetime Warranty] 4200mAh 130% extra battery for iPhone 6/6S plus Ultra Slim Battery Case(5.5 Inches)/Charger Backup Power Bank (White) ABS (acrylonitrile butadiene styrene) is a hard, rigid plastic that offers good toughness and impact resistance. The most notable characteristics of plastics are its low weight, machinability, corrosion resistance, and typically good thermal and electrical insulating properties.The material also provides good strength and resists abrasion. It is durable and can protect your iPhone 6 6S very well. This unique product is simply apply high quality 3D carbon fiber style which the weave reflects light the same way as the actual carbon fiber would and smooth to the touch. And don't worry it will ruin by smudge, you just wipe it and it is easy to clean. Powerful 4200mAh Li-polymer rechargeable battery can effectively provide 130%+ extra battery life for your iPhone 6, which is equivalent to add 20 + hours talk time or 15+ hours web browsing time.Environmentally-friendly grade-A lithium-polymer battery that comes with smart overvoltage and overcurrent protection.The resilient design of the LED battery level indicator that lets you know exactly how much power you have and provides easy use and access to all buttons and ports Comprehensive bumper design and hard-shell backplate, the battery case protects your iPhone from scratches and other daily tear and wear, yet small and convenient enough to fit easily in your hand or in your pocket. Enjoy the comprehensive protection while still maintaining the slim form factor of your iPhone 6/ 6 plus Apple MFI Certified. Tested to be compatible with iPhone 6 IOS Operation System and following updates. Will not left you stranded running out of power with accessories not supported warning message from Apple IOS system. Easy access to all ports, sensors, speakers, cameras and all iPhone features. Works with iOS8 and all future updates. Transfer data or charge phone using the included Micro USB cable (no need to remove battery case).Lifetime Warranty from Xcomm to ensure our products work the way you need them to.