These flip flops have 20mm thick EVA + EVA strap (3 layers of material). They are available in a variety of sizes. PMS matching available at 3,000 pieces or more. Optional debossing available for the bottom of each sole for additional fee. Standard imprint centered on the heel of each sole, same imprint on both sandals. Debossing on the bottom of each sole is available for an additional charge. Production times may vary due to imprint method.