There’s no doubt that power banks are beautiful accessories - but oftentimes, beauty can be fragile. If you go work outside, like go to adventuring, outdoor activities or you just possed bungle hands, then you should put a serious thought of protecting your power bank. It comes in two sizes ( small and large ), capable of handling falls and bumps. Thanks to the special soft velvet interior material that is designed to protect your power bank. Not that just, the sleeve can also guard dust and scratches that we all hated.