【Perfect Matching】-- It's professionally made for Anker 621 Nano Power Bank which compact room can hold neatly. 【High Density】-- The material we use if of eco-friendly ingredient: EVA semi-hard shell and polyester inside. It's not only high-quality but durable in use. 【Easy Carrying】-- The light weight and compact design makes it more portable to carry everywhere. 【Precise Space】-- Professional design case for your Anker 621 Portable Charger that is concise but precise, portable and compact. It'll fit your needs to organize and carry. 【Quality Assurance】-- Compared to the traditional EVA, our case is made of eco-friendly ones. All our products are using qualified Materials,which Rohs certificated! Hard shell with two-year assurance. Case for Anker Nano 621 Power Bank Portable Charger