- Size: 40/41 • Non-slip and quick-drying: sole with textured design for a strong and secure grip, easy to dry and clean. • EVA Material: one-piece molded, soft and comfortable, non-abrasive with rebound support. • Thick soles: 1.6 inches thick with concave design, durable and comfortable for prolonged use without pain. • Simple and versatile design: double soft, comfortable like cotton, ideal for bathroom, indoors, outdoors, gym, pool, spa, and beach. • Lightweight and silent: easy to carry and does not make noise when walking. • Attention: EVA material can shrink and deform at high temperatures, avoid prolonged exposure to the sun.