I don’t get many chances to provide help or info on the forum as most of you are just to knowledgeable. But here’s a high quality option I found for middle seat back storage. It’s the Mud River seat back organizer. It had a removable long gun case (or what ever) on the bottom secured by a full length Velcro strip. I removed it in order to have it fit between the wheel well humps. . You could always leave it attached if you needed additional storage. Comes in this color or black