Sea Castle Roasted Spicy Seaweed Snacks are a convenient, low-calorie snack, offering only 20 calories per serving. Perfect for on-the-go, they’re gluten-free, keto-friendly, and kosher. Made with organic seaweed, these tasty snacks come in a 6-pack, ideal for tossing in your bag or child's lunchbox for a quick, healthy treat.