Ordering Custom Logo Mud Flaps/Splash Guards. How to Order . 1. Choose a Mud Flap: Poly Mud Flap; Rubber Mud Flap; Tireplast blend of poly and rubber; G-Force dynamic Flap with Logo; Rubber Raised Molded/Raised Lettering- Call (937) 274-5587 or email logos@gtmfginc.com for more information . 2. Choose a Thickness: Domestic Poly. Standard 3/16" Flat Back