Design Engineering 050132 Boom Mat Sound-Deadening Headliner for 2-Door Jeep Wrangler (2007-2010) - Black Insulate your Jeep Wrangler interior from heat and cold The 1-inch thick headliner provides additional sound deadening, reducing noise levels 3 to 4 decibels Reduces noise levels, making it easier to have conversations and enjoy your favoite music Easy to install pre-shaped peel and stick kit Pairs perfectly with Boom Mat Jeep Wrangler Side Window Kit (sold separately)