All Arrival Passengers To Thailand, you are allowed to bring in 200 cigarettes, 1 litre of spirits / liquor, plus purchase of general merchandise with the maximum amount THB20,000.
Bought 6 boxes of fresh mango with sticky rice here for 180THB each!!! It's quite expensive but hey.. they're really good! (´ڡ`) They said it can hold up to 7 hours after the purchase.