Ethylene Vinyl Acetate sole Heel measures approximately 1.57 inch" Comfortable and Soft: the lightweight EVA material makes the shoes resilient and comfortable. Fashion Design: With the popular double-buckle adjustable design, you can adjust the width of the foot at will. The Sandals suitable for many occasions: Indoor or outdoor, anywhere you want Rubber Thick Sole & Reliable Grip: The sole uses soft EVA material and thick sole design, so that you have a better wearing experience. And the sole uses a "drainage holes" design. It can drain water quickly and maintain foot comfort. Easy Care: Waterproof & Washable. ATTENTION: Since the sandals are made of EVA, if exposed to the sun for a long time, the sandals will be deformed, please do not expose the sandals to the sun for a long time.