- Size: 40 • Modern sandals ideal for the beach, vacations, and leisure activities. • Non-slip and durable sole that provides good grip and balance. • Easy to put on and take off, suitable for use at home or outdoors: bedroom, living room, gym, bathroom, pool, beach, vacations, hiking, travel, camping, gardening, etc. • Concave-convex design on the high-quality rubber sole for greater stability and safety while walking. • Soft and skin-friendly materials that protect the instep and toes from friction, offering exceptional comfort.