Alternate package tray materials for '68 notch back Barracuda

Since this is a public forum, I will share an image I got from the Detroit Muscle web site. The picture shows an insulated trunk divider for the '67 - '69 Barracudas. The site recommends installation with the insulating material facing toward the seat back, thus perhaps providing advice to those wondering which way it should go...

insulated divider.jpg