Last week, more than 35,000 people crossed over for the first time since the governor of's state of Tachira opened the border.
Venezuela's product shortages have since worsened, creating further incentives to buy goods in Colombia and bring them back.
Venezuelans routinely spend hours in lines at home seeking items ranging from cornflour to cancer medication to car parts. Shoppers complain of violence in lines, and looting is on the rise.
Bus terminals were packed and hotels filled to capacity in the border town of San Antonio, with many travelling hundreds of miles to shop.
A drop in oil prices has left Venezuela's economy in tatters, and the lack of hard currency and inflation have starved the country of food, medicine and consumer goods.***
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Editing: T. Bintang