The Maritime flag for diving is the “diver down- keep clear” or better known as the A or Alpha flag. This is a white and blue burgee flag. There is, however, a special scuba flag. This is a red flag with a white stripe angled from the upper left corner to the lower right corner. Key Features Ensure dive safety: 48" x 60" diver-down flag clearly signals your location! Dimensions for small flag: 24" x 35.5" for smaller vessels, like kayaks. Durable nylon dive flag with brass grommets resists wear and tear for longevity. High-visibility red & white design: Be seen! A must-have dive safety essential. Easily attach this dive flag to boats or floats using the sturdy brass grommets. Compact and lightweight: This dive safety flag is easy to store and transport. A reliable dive safety tool: Clearly mark your dive site for boats and others.