Take measurements of your trailer
First of all, you have to take the measurements of your trailer. Take a steel tape measure the trailer from all the sides. It will be better for you to add few feet in your measurements in all the dimensions to keep yourself on a safer side.
Search on auto-stores
You can easily get the flatbed tarps from an auto-store near your house. Mostly, the tarps come in standard sizes, but you can also place an order for a tarp with specific size according to the measurement you took in step 1. Furthermore, make sure that you get the flatbed tarp which suits your requirements.
Visit the auto exhibitions
Many companies organise different exhibitions throughout the year to demonstrate their products. Just search for an exhibition in which you can find the products related to trucks and trailers. You will surely find your favourite flatbeds tarps at the exhibition. Sometimes, it is better to get the flatbed tarps from an exhibition as you can get them on competitive prices as compared to normal market rates.
Place an order online
There are a lot of auto-stores which provide their services online and you can easily place an order at their selling points to get your desired flatbeds tarps. Furthermore, there are many markets like eBay on the internet where you can find potential sellers of flatbed tarps. If you intend to make an online purchase, just make sure that you receive the delivery of your product after placing the order as there are many fake selling points on the internet.