?STRENGTHEN PACKAGE???? - 2x4 panel light has improved the packaging in March 2022, which adds cardboard and corner guard inside, and it change from regular box to a thickening and strengthening up and down cover box, it's more protective and convenient during delivery and unboxing.According to result of compressive test, even 2 adults weighing 165 pounds stand on the box, it won't be broken or damaged.