POE ( Polyolefin Elastomer ) is a type of Eco-Friendly material that is nontoxic, odorless, flavorless, no latex, PVC-Free, recyclable and lightweight. It was conformed to safely regulation Phthalates, RoHs, PAHs and Azo dyes. The material of our flip flops & sandals are .: POE, NPPVC for the layer of vamp and 50% recyclable EPR for the layer of bottom-sole. The features of our flip flops & sandals are.: 1) 100% washable, breathable . 2) Soft sole and comfortable 3) Anti-Slip.