The only place I've ever seen orange glitter vinyl, also called sparkle vinyl, is here: CLICK HERE
I don't know what this stuff is, but I doubt it is marine grade vinyl. You'll have to call them to find out.
Here's another place: CLICK HERE
They used to use this stuff in boats, but I haven't seen any marine grade glitter vinyl since the 70's, in any color. Naugahyde has a pattern called Zodiac, but there isn't anything close to orange.