By Jordi Lippe-McGraw Here are five of our favorite seaside products in time for July 4th weekend! The Fourth of July is just around the corner, which means a weekend full of barbecues, fireworks and (if you’re lucky) beach time. Now, at SI Swimsuit, we know a thing or two about the beach. You can seek out inspiration on the suit front at our most recent issue here and here and here. Meanwhile, we wanted to suggest some other gear that will make a sandy day even more enjoyable. So here are five of our favorite seaside products. Sunflow Chair ($296)Though beach chairs have been around forever, …