- Size: 39 • Lightweight EVA Material: These women's flip-flops are made from a single piece of molded EVA material, skin-friendly and soft. A pair of size 39 shoes weighs only about 300g, allowing for more free and casual walking. • Soft and Thick Sole: This pair of summer house slippers features 4 cm thick soles, providing better softness and lasting comfort. They can be worn all day without any discomfort. • Non-Slip Sole: The soles of these slippers have a non-slip pattern of stripes and dots that prevents the foot from slipping, ensuring safety even in wet and slippery places. • Multi-Purpose: These slippers are perfect for a variety of activities and seasons. Whether at home, in the gym, at the pool, or on the beach, they are a great companion for a relaxed and comfortable wearing experience.