No. 2 International Code of Signal Flag SetNo. 2 International Code of Signal Flags are made of 100% nylon and finished with nylon rope, distance lines and ash toggles. Complete set includes: 26 Alphabet Flags, 11 Pennants and 3 Substitute flags. The 40 piece sets include a nylon storage bag. Sizes: Flags - 1-1/2 x 2 ft, Pennants - 1-1/3 x 3 ft, Substitutes - 1 x 2 ft.