Admob Banner size
Admob Banner size and the available sizes are the following: Banner Size Constant Size (WxH) Description Availability BANNER 320x50 Standard Banner Phones and Tablets LARGE_BANNER 320x100 Large Banner Phones and Tablets MEDIUM_RECTANGLE 300x250 IAB Medium Rectangle Phones and Tablets FULL_BANNER 468x60 IAB Full-Size Banner Tablets LEADERBOARD 728x90 IAB Leaderboard Tablets SMART_BANNER Screen width x 32|50|90 Smart Banner Phones and Tablets This blue box is Banner Real Size let's see your Mobile Screen This is Best choice