1. Ventilation ports add breathability and help shed water and debris quickly.2. Adjustable heel strap, you can easily switch between sandals and slippers.One shoe, two wear, more cost-effective.3. Made of high-quality EVA materials, lightweight, non-slip and wear-resistant, the sole has clear lines and strong grip.4.Offer a roomy fit and we recommend ordering a size down to the next largest whole size.5.Easy to clean just using soap and water and allowing for a quick dry.Notice: 1. Asia Size is smaller than US/EU/UK size, please compare and take measurement before purchase.2. Due to the different monitor and light effect, the actual color maybe a slight different from the picture color.3.Please allow 1-3cm differs due to manual measurement. Material:Size, EU Size, LengthW5, 35, 21cmW6, 36, 22cmW7, 37, 23cmW8, 38, 24cmW9, 39-40 25cmincludes: 1 pair of Shoes