one year. The shelf life of Thai hand-marked black tea is 1 year and 365 days. You can look at the date of production and the shelf life of the goods, which will be indicated. The aroma of hand-marked black tea comes from a kind of tea called Chiang Rai Tea, which has a unique taste in Thailand and smells sweet. It is said that Thai hand-marked black tea is equivalent to the soul of "Thai iced tea". In Thailand, Thai milk tea beverage stalls can be seen everywhere on the roadside, and the LOGO of Cha Tra Mue brand is very eye-catching. Cha Tra Mue is a famous tea brand in Thailand. Its signboard has black characters on the red background, and it is nicknamed "hand sign" because of its thumbs-up in the middle.