There are a variety ofpromotional items available on the market that can be used at trade shows or other commercial events. You can choose practical items such as personalized pens, key-rings or reusable tote bags that will contain your logo and/or brand name as well as other relevant information. These items are relatively inexpensive and easy to hand out to trade show guests. What's more, they are generally appreciated by guests, as they may have some use after the show.
If you want to offer something that's a little more luxurious and special, opt for items such as personalized candy sachets or even wallets engraved with your logo. These items are premium but can be very effective in promoting your company, as they'll tend to be kept and used long after the show, as food is always memorable and much appreciated.