Landfill Dzine Mens Recycled Vegan Flip Flops Blue cotton Zero Landfill Product Rubber sole 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 soft cotton webbing fiber material. Heel size 0.5'' heel with 0.5'' platform 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. The Bonus is the are made with Recycled PVC sole and Waterproof Landfill Dzines flip flops for men 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).