TenCloud Glossy TPU Protective Case for Yotaphone 2 Yotaphone 3 5 in Dual-screen Smart Phone AMOLED Eink Lucid Dark 100% TPU material, soft and stretchy for good hand feeling Non-poisonous material, tasteless, non-corrosive Special joint Yotaphone 2's or 3's lines including power switch/ headset hole/ volume keys Easy to clean, washable for being cyclable Slim case and easy installation without any interferes