... material: pvc 4) brand name: OEM Name : cavity box /octagonal box 1) Thickness:1.5mm2) Specifications: 4" x 2" ... insulation property, good combustion-resestant sizes : 4"x2" box , 3x20mm hose in long sides, 1x20mm in short ... . material : pvc , 200pcs for export cartons . octagonal box , sizes : 4"x4", 100pcs for export cartons, 20pakages ... cartons ,20pcs for inner packing octagonal box with cavity box