We've got your back! Your porch rocker back, that is. Introducing the Built to Last recycled plastic Porch Rocker. The plastic porch rocking chair comes in a variety of unique back designs including crabs, palm trees, pineapple, sea turtles, dolphins and traditional slats. Available in white and also the original Built to Last Pastel colors: Blue Sky, Sunny Daze, Key Lime and Coral.