Product Features 1. High-quality: This pair of slippers is made of high-quality artificial PU material, which is breathable and durable. 2. Pain relief: It can eliminate the pain caused by flat feet, improper walking postures, and plantar fasciitis. 3. Lightweight design: The slippers are light in weight. With a wedge-shaped design, they allow you to walk more steadily and won't make you feel tired or off - balance even after standing for a long time. 4. Suitable occasions: These stylish and practical flip - flops are suitable for various occasions, such as the beach, park, pool, or for daily wear. Customer Service If you encounter any problems while using our products, please feel free to contact us. We are always ready to offer assistance and will solve your problems as soon as possible. Precautions Due to different display screens and lighting effects, the actual color may slightly differ from the picture. Please allow a 1 - 3 cm error due to manual measurement. Specification Parameters 1. Upper material: PU 2. Sole material: PU 3. Correspondence between shoe size and foot length: - Size 36 corresponds to a foot length of 23 cm. - Size 37 corresponds to a foot length of 23.5 cm. - Size 38 corresponds to a foot length of 24 cm. - Size 39 corresponds to a foot length of 24.5 cm. - Size 40 corresponds to a foot length of 25 cm. - Size 41 corresponds to a foot length of 25.5 cm. - Size 42 corresponds to a foot length of 26 cm. - Size 43 corresponds to a foot length of 26.5 cm. - Size 44 corresponds to a foot length of 27 cm.