Why when i import my .obj mesh this happens
robloxapp-20210712-1300591.wmv (802.2 KB)
Just drag and drop the image into the window you are typing into.
Your faces (also known as normals) are inverted. Use the dev forum’s search function to find the dozens of threads that fix this issue 
Additionally, while @Scottify is correct in many of their posts, they weren’t offering a solution to your specific problem in their post above. They were just telling you to embed your image so we don’t have to download to see your problem 
Please ensure the things you mark as solutions are actually solutions - it can mess up the search function results, since it prioritizes threads that are solved.
If you want a very quick fix, just turn this (DoubleSided) to true.
(I would recommend flipping your normals in Blender if you were making a realistic model because it may mess up the lighting, however using double-sided for low poly models should be fine)
