Oxford Cloth & PVC: The inflatable paint booth is mainly made of thickened 201D oxford fabric with PU-coating, durable, and dirt tolerant. The small doors, emergency windows, and top windows adopt transparent 4mm PVC material, making the inside brighter in the daytime. It can serve you for a long time. Large Size: The inflatable spray booth's working room internal dimension: 20.3x11.48x8.2ft, isolation chamber internal dimension: 5x15x10ft. Its good-sized interior space allows you to park your beloved car in it for painting or repair. In addition, the isolation chamber can be used as extra space by detaching its zipper door completely when the working room can not meet your needs. Efficient Filtration System: Our upgraded filtration system features more efficient air purification to ensure that you can breathe fresh air and your car painting will not get dirty by dust or grimes. The detachable filter windows adopt carbon filter cotton, enlarged size: 3.3 x 5.9 ft/1 x 1