The hoodies are fine just make sure you test the vinyl if you are do 50/50 or higher polyester items. There are some vinyls that cause dye migration where the color of the items comes through the vinyl
As far as Rally Towels, lower the nap the better but test them and do a wash test (at least 5-6 washes before you start selling)
As far as Rally Towels, lower the nap the better but test them and do a wash test (at least 5-6 washes before you start selling)