The Top 5 Most Popular Promotional Products Of 2018, So Far Each year, trends change and the types of promotional products that organisations buy differ. So far, in 2018 we have seen a rise in the sale of more fun branded products such as balloons. Customers are also purchasing higher quality products when ordering their company uniform and more eco friendly branded bags sales are on the up. Here are the top five bestselling promotional products at bmt Promotions this year: