electrical panel - Can i run a 30amp rv outlet with gfi outlet

I have a 100amp service with 2 100amp breakers under my meter. Can I run a RV outlet box with a 30amp breaker and a 20amp breaker for a 20amp GFCI outlet in the box off the main panel, or should I

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Risornda 30 Amp RV Outlet Box, Power Outlet Box with Pre-Drilled Panel, Enclosed Lockable Waterproof Outdoor Electrical Box, 125Volt, NEMA TT-30R RV Receptacle for Camper EV, ETL Listed - Yahoo Shopping

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