What's under your umbrella? Hopefully it's you, because the 6 ft. Aluminum Push Button Tilt Patio Umbrella - Lime is the coolest spot on Earth. Or at least in your neighborhood. Crafted of durable acrylic material, this vibrant lime umbrella adds six feet of shade and serious style points to your backyard. The easy-to-use push-button tilt feature makes this umbrella all the better, as does the lasting aluminum frame.