Maritime signal flag mug

The signal flag has a total of 46 faces and is composed of different colors and shapes. Mr. Sai printed the maritime flag on the mug. Let you use the cup while exploring the secrets of maritime communication! https://5993.cyberbiz.tw/s/files/5993/ckeditor/pictures/content_742b47bd-1e2e-4629-b4f3-6e759414d4f3.jpg International maritime signal flags (English: international maritime signal flags) Or the "International Maritime Signal Flag" is a banner communication system between ships. Let the vessel quickly and clearly indicate the intention of the ship. (transferred from: wikipedia) https://5993.cyberbiz.tw/s/files/5993/ckeditor/pictures/content_03ab7c65-a96e-4296-b21e-d7d9456742fd.jpg International signal communication, generally using the method of hanging flags, with lights, horns and semaphores (hand flags). There are 26 English letter flags, 10 number symbol flags, 3 face substitute flags and 1 face response flag, which consist of 40 flags. The size and style of this flag have certain regulations in the world. (transferred from: wikipedia) Mr. Sai Mue passed the SGS heavy metal test, please use it with peace of mind. https://5993.cyberbiz.tw/s/files/5993/ckeditor/pictures/content_ccb54702-ba58-405c-bcfd-097d6f9e2f13.jpg Product specifications: ► Size: 8cm in diameter / 9.5cm in height ► Capacity: about 350cc ► Material: Ceramic ► Manufacturing location: Taiwan Precautions: ► Do not use hard toiletries (rice cloth, steel brush) and corrosive detergent to wash the printed surface, but the inside does not affect. ► Do not soak in water for a long time ► Dropping, bumping or bumping will result in damage to the product. ► Keep away from fire, avoid using oven, microwave oven, do not enter the oven, too high temperature may make the printing ink smudge.