Hey there wake enthusiasts! Let me tell you about this Fat Sac ballast bag - it's the real deal for getting that perfect wake on your boat. This specific model is a 370-pound gray tube that measures 62 x 16 x 10 inches, perfect for laying on your boat floor to add some serious weight where you need it. What's really cool about Fat Sac is they're made right here in the USA with incredible quality - we're talking skilled workers carefully cutting, welding, and inspecting every single bag to make sure they're super durable and safe for your boat. These aren't just any ballast bags - they're the original choice that leading boat manufacturers actually trust. The material is this advanced Valmex stuff that's built to last through season after season of wakeboarding and wakesurfing. Fat Sac even has this awesome sac finder tool on their website that helps you figure out the perfect setup based on your boat type and rider skill level. For beginners with V-drive boats, they might recommend two 750lb bags plus this one, while advanced riders might add even more. The whole point is to shape your wake without damaging your boat, and these bags deliver exactly that. If you're serious about getting the best wake possible for surfing or boarding, this 370lb Fat Sac is an essential piece of gear that'll make a huge difference in your water time.