Features:Adopts high density fiber material, no smell, no harm to the human body.The metal layer, in addition to granule particles, increases the brightness.It is gray curtain, effectively improving the projection contrast.No need to close the door and windows during the day, you can also experience the well projection effect.Viewing angle is about 30 °, the best viewing angle is 0-20 °.Easy to stick on the wall by the magic pastes, foldable and portable for meeting rooms, classrooms and outdoor camping.Specifications:Material: PolyesterScreen Size: 30inch, 60inch, 72inch, 84inch, 92inch, 100inch, 110inch, 120inch, 130inch, 133inch (optional)Aspect Ratio:30inch: 16:960inch: 16:9 / 4:372inch: 16:9 / 4:384 inch: 16:9 / 4:392inch: 16:9100inch: 16:9 / 4:3110inch: 16:9120inch: 16:9130inch: 16:9133inch: 16:9 (optional)Item Size:30 inch: 660 * 370mm / 25.98 * 14.57 in60inch: (16:9)1330 * 750mm / 52.36 * 29.53 in, (4:3)1200 * 900mm / 47.24 * 35.43 in72inch: (16:9)1590 * 900mm / 62.6* 35.43 in, (4:3)1480 * 1050mm / 58.27 * 41.34in84inch: (16:9)1860 * 1050mm / 73.23 * 41.34in, (4:3)1720 * 1250mm / 67.72 * 49.22in92inch: 1990 * 1120mm / 78.35 * 44.09in100inch: (16:9)2210 * 1250mm / 87.01 * 49.21in, (4:3)2050 * 1480mm / 80.71 * 58.27in110inch: 2500 * 1400mm / 88.43 * 55.12in120inch: 2660 * 1480mm / 104.72 * 58.27in130inch: 2900 * 1600mm / 114.17 * 62.99in133inch: 3000 * 1600mm / 118.11 * 62.99inItem Weight:30inch: 40g / 1.41ounces60inch: 160g / 5.64ounces72inch: 220g / 7.76ounces84inch: 300g / 10.58ounces92inch: 380g / 13.4ounces100inch: 420g / 14.82ounces110inch: 560g / 19.75ounces120inch: 690g / 24.34ounces130inch: 810g / 28.57ounces133inch: 850g / 29.98ouncesPackage Weight:30inch: 100g / 3.53ounces60inch: 250g / 8.82ounces72inch: 290g / 10.23ou