self-locking manual screen

Size (height ×length )Type of screen surfaceInch or footmmGlass beadWhite plastic60″1220×920√√72″1450×1100√√78″1600×1200√√84″1700×1270√√90″1830×1370√√100″2030×1500√√120″2400×1800√√1,the marerial of choth:glass beadedwith a gain of more than 2.2,with effective scattering angle more than 32 the thickness is 0.50mm white matt:with effective scattering angle more than 160,with high brightness coefficient between 0.85-1.0 the thickness is 0.45mm 2,steel housing case 3,packaging:1carton/pcs with pvc packing bag