Compatible with OtterBox Symmetry Series iPhone X/XS, Stardust. Designed for iPhone X/XS case: Precision design: buttons and mute switch work just like you expect them to. Used for SYMMETRY CLEAR SERIES iPhone X/XS Case:Ultra-slim: sleek, clear profile showcases your iPhone Xs and your style. Work with OtterBox SYMMETRY CLEAR SERIES iPhone X/XS: keeps your phone safe without sacrificing style. Works with OtterBox SYMMETRY CLEAR SERIES for iPhone X/XS quality promise: One year for a refund or replacement if any quality issue.