Looking for a way to celebrate Earth Day today? Old Navy's making it easy for you by offering drop-off bins for your used flip-flops, which they plan to turn into playground turf for playgrounds around the country Starting today, Old Navy's making it a lot easier to reuse one hard-to-recycle item: flip-flops. The clothing chain, with a store at The Strip in Jackson Township, has partnered with the New Jersey-based recycling company TerraCycle to gather customers' unwanted flip-flops and turn them into turf for children's playgrounds across the country. The recycling initiative runs today through May 21.