Bring the Wild into Your Home with Tropical Cushions Tropical rectangular lumber cushion Long Green Rectangular Lumbar Cushion Chiang Mai Pillow Etsy Pillow Perfect Tropical Rectangular Outdoor Bench Cushion in Blue Pillow Perfect Tropical Rectangular Outdoor Bench Cushion in Black Pillow Perfect Tropical Rectangular Outdoor Bench Cushion in Blue. Size: 30 x 6 x 15. 5 Inch This tropical rectangular lumber cushion offers both style and comfort with its unique design. The long rectangular shape provides proper support for your back, while the pom pom shredded side adds a touch of whimsy. Perfect for adding a pop of color to any outdoor furniture.