Protect your saxophone.
Flex wall spring fits the sax perfectly.
Shock absorber protects from impact.
Vented at top and side to air dry the sax and pads.
Expanding end cap to fit any sax case.
Octave key protection like nothing else.
The Key leaves GapCap vents through the center and side to allow massive airflow into the saxophone body tube. A proven way to keep the saxophone cleaner and help pads last longer.