Snow Peak, a Japanese outdoor company that's brought a whole new aesthetic to camping (and whose tagline is "It's time to get back to lifetime ownership"), offers a large, rectangular tarp, perfect for summer picnics or other outdoor activities. "It's unlike anything you might associate a simple tarp with. These top-of-the-line shelters are waterproof, UV protected, and carefully designed to withstand a crazy amount of wind. Every aspect of these tarps is reinforced to guarantee a lifetime of hardcore use." The Rectangular Large Tarp is $499.95 directly from Snow Peak.
Snow Peak $499.95 USD from Snow Peak