Hazard 4 MK2 Headliner Pair w/ 3M VHB Black. Competing designs are just flat material sheets with thin thermal padding and sometimes mil-spec molle positions for accessories. Ours is a two piece thermo-molded foam construction that contours to the 3-d shape of the roof panels to utilize the full space available there for internal storage. We use our patented hard-molle modular channels on the outside for adding pouches and other accessories on a hard surface. The top portion is a solid foam for rigidity and low profile while the part you see is a squishy foam that offers better acoustic thermal and head-protection qualities. Together they provide maximum heat/cold reduction and kill the hollow echo Jeeps are famous for instantly for better in-car conversation and phone calls. One or our HardPoint ports allows you to add loops but more importantly our Beacon Lights to use over the shoulder for night-time reading and navigation with red-light to preserve night-adapted vision. With these and many more features we're confident this is the most innovative Jeep Wrangler/Gladiator JL roof liner available by a wide margin. Coming soon for Ford Bronco and Hummer EV. Difference between Original vs MK2. Headliner: Updated MK2 version comes with 3M VHB (very high bond) hook fasteners that are semi-permanent. For a non-permanent option please see our (Original Version) Headliners Overall Dimensions (each individual Headliner): 18.8'' L x 16'' W x 2'' D (47.6 x 40.6 x 5.1 cm) Product Weight (each individual Headliner): 2.2 lbs. (35.2 oz) Specifications for Hazard 4 MK2 Headliner Pair w/ 3M VHB: Manufacturer: Hazard 4 Size: One Size Quantity: 2 Package Contents: Hazard 4 MK2 Headliner Pair w/ 3M VHB Hazard 4 AGP-3MHLP-BLK: MK2 Headliner Pair w/ 3M VHB Black