The bed of your pickup truck is designed to allow you to carry cargo, but if it is unprotected, the paint can get easily scratched, and things can slide around as you drive. Adding a rubber truck bed mat can help prevent both, but it is essential that you get the right mat to perform well for you. Custom Fit Bed Mats There are many truck bed mats on the market that you can use in your truck, but finding one that fits snuggly in the bed of your truck is essential.