Come and see our amazing products. This 8g card advertising uSB flash drives has a larger area and can better display your logo. It is waterproof, 2.0 level with fast transmission speed. It is suitable for companies, schools and various activities. You can choose 2G, 4G, 8G, 16G, 32G, 64G for businesses or universities. 2 1/8"Wx3 3/8"H Pls confirm further with us if any query about packing info, inventory status and time schedule.