Landfill Dzine Wedge Flip Flops for Women in Blue Rubber The outer strap consist of zero waste upcycled irrigation hoses diverted from landfills in California. The under part of the strap that touches the foot is made using vegan friendly ultra soft Cotton blend micro fiber material. The soles of the black flip flop sandals are made with soft textured smooth materials that form to your feet when wearing. Our Light Weight green fashion Eco flip flop thong sandals will give your feet Instant Comfort Landfill Dzines flip flops wedge thong sandals are stylish, fashion forward as well as sustainable. Together we can all make a difference and prevent these hoses from going into landfills. The outer straps material is called Layflat irrigation hose. Please note it will look like white cotton fibers are showing on the sides (it will look like its stringing, fraying etc. this is normal). Our Flip Flops Sandals Make a Difference. Materials we use for the fields of California