1. The ventilation hole increases the air permeability and helps to quickly drain water and debris. 2. Adjustable heel strap, you can easily switch between sandals and slippers. It is more cost-effective to wear one pair of shoes twice. 3. Made of high-qualityEVA material, it is light in weight, anti-skid, wear-resistant, with clear sole lines and strong traction. 4. Provide spacious space. We suggest ordering the next largest overall size. 5. Simply use soap and water to clean easily and allow rapid drying.Note:1. Asian size is smaller than US/EU/UK size, please compare and measure before purchasing. 2. Due to different display and lighting effects, the actual color may be slightly different from the picture color. 3. Please allow 1-3cm difference due tomanual measurement. Description:Material: EVA Color/style: as shown in the figure, EU size, length W5,34-35,21cmW6,36-37,22cm W7,37-38,23cmW8,38-39,24cmW9,39-40,25, including: 1 pair of shoes