This speaker and storage box is compatible with 76 to 86 cj-7 and 87 to 91 yj models. It is designed to fit in the rear, left, or right area of your vehicle. The box is made of steel material with a black surface finish and is perfect for storing small items while still allowing for the installation of wheel well speakers. This lock-up box is a great addition to your jeep's interior, adding a sleek look and functionality. The vintage part is not only suitable for these models but also gives a modern touch to your vintage jeep.