SCUBA Dive Flags - Nylon Diver Down Flag w optionable Stiffener - Nylon Alpha Flag - Scuba Diver Flag - Boat Flag Marker for Snorkeling, Diving, & Underwater Activities (Blue & White) (Red & White) DIVE FLAGS - Universally recognized nylon scuba diver flags to satisfy local diving safety requirements. DURABILITY TO LAST - Our rugged diver down flag is made with 100% top quality 100 denier nylon to ensure long-lasting, everyday use. Nylon is highly resistant to degradation from UV rays, moisture, abrasions, chemicals, and oils. FLAG STIFFENER - Optional flag stiffener keeps the boat flag open and visible under all weather conditions. SIZES & COLORS - Performance Divers - Diving Safety Flag is available in two versions: US version (Red & White) and International version (Blue and White). Dive Marker Flags come in six different sizes: 14 inches x 18 inches, 20 inches x 24 inches, 31 inches x 36 inches, 42 inches x 52 inches, 48 inches x 60 inches and 6 foot x 8 foot, with the option of a built-in flag stiffener. Made in USA with quality you can see.