- Size: 40 • Non-slip and quick-drying: sole with textured design that provides a strong and secure grip. Easy to dry and clean. • EVA Material: made in one piece of EVA material, soft to the touch, non-abrasive, and comfortable to wear. Supports rebound. • Thick soles: 1.6-inch thick soles with concave pelvic floor design. Provide adequate strength and do not break easily. Prolonged use without foot pain. • Simple and versatile design: double soft and comfortable like cotton. Suitable for bathroom, indoor, outdoor, gym, pool, spa, and beach. • Lightweight and silent: ergonomic design and thick sole that does not make noise when walking. • Attention: EVA material can shrink and deform at high temperatures. Do not expose to sunlight for a long time.