1、High Quality Material: The hard EVA case is shockproof, dustproof and waterproof, which can protect your speaker storage bag from falling, scratching, collision, splashing and dust. 2、Zipper Design: The speaker hard storage bag is equipped with a special strong zipper, which is easy to use and brings you a better experience. 3、Convenient Design: The internal design is very suitable for accessories, and the flat and sturdy 360 degree zipper is easy to open and close. 4、Portable: This speaker protective cover has a comfortable handle, you can easily carry it with you, and enjoy music anytime, anywhere. 5、Scope of Application: The replacement Hard suitcase is suitable for Charge 4, for Charge 5 waterproof portable BT speakers.