Clear, slim protection. The Eiger MountainAir Case is a perfect blend of clear acrylic and flexible TPU material, offering a precise, custom-fit design and smart impact protection for your device. The MountainAir Case is ideal for showing off your device's original design while maintaining its slim structure and providing everyday protection from bumps, scratches, dirt and dust. Thanks to the clear acrylic and ultra-flexible TPU design, the case is also easy to attach and remove.