Open size: 225cm*211cm*152cm. Hard shell with upper and lower cover,easy operation/spacious space,4 people use.* Hard shell (top & bottom) : ABS+ASA;* Body : 220g 2-layers PU coating polyester fabric(waterproof : 3000mm);* Plate panel : 8mm height plywoo* Mattress : 4cm height PU foam + washable cotton cover* Windows : 110gsm meshFeatures: 1. Automatic opening and closing with pneumatic spring 2. The telescopic ladder is directly connected to the roof tent, and the loading and unloading steps are simple and convenient 3. The bed frame is folded in the center, suitable for medium and large SUVs 4. Frame: aluminum alloy material 5. The seams are waterproofed 6. There are two detachable shoe bags on both sides of the tent 7. The folded hard The top can be used as a rain cover without a separate rain cover, which is easy to operate 8. The upper and lower covers are made of ABS+ASA, which can be folded together to effectively reduce wind asistance Core selling point: hard shell with upper and lower cover, convenient folding/gas spring control, easy operation/spacious space, can accommodate 4 people.