DEI Headliner Sound Barrier Kit Sound Deadening Headliner Pre Cut Self Adhesive Backing White 4 Door 00129739GRGF Main hoops are custom bent PQX62350716 Main hoops are custom bent to fit each application precisely Two 50 ft Rolls Headliner reduces noise levels 3 to 4 decibels Reduces radiant heat from roof Improves acoustics inside A significant change in noise level that will make it easier to have conversations & enjoy your favorite music Open Cell Polyurethane Foam Finish is a Polymer Surface Treatment This is a significant change in sound level that will improve overall interior acoustics so Jeep occupants can enjoy audio system and have conversations without excessive and irritating noise distractions