1. Vents increase breathing capacity and help expel water and debris quickly. 2. With an adjustable heel strap, you can easily switch between sandals and slippers. One shoe, two wear, more cost-effective. 3. Made of high-quality EVA material, it is light, non-slip and wear-resistant. The sole has clear lines and strong grip. 4. Available in a roomy fit, we recommend ordering one size down overall. 5. Cleans up easily with just soap and water and dries quickly. Note: 1. Asian size is smaller than US/EU/UK size, please compare and measure before buying. 2. Due to different monitors and light effects, the actual color may be slightly different from the picture color. 3. Please allow 1-3cm differences due to manual measurement. 4. Please carefully confirm your size, name and number, and delivery address before placing an order to ensure delivery efficiency and avoid unnecessary trouble. For the specific size chart, you can refer to the main picture in this product page. Size: 36-37 Inner Length: 22CM Size: 37-38 Inner Length: 23CM Size: 38-39 Inner Length: 24CM Size: 40-41 Inner Length: 25CM Size: 41-42 Inner Length: 26CM Size: 42-43 Inner Length: 27CM Size: 44-45 Inner Length: 28CM