Description: High quality material: The new composite material polypropylene is used to highlight the power, and the new fin design is strengthened to fully support the feet. Comfortable and soft: The feet are comfortable, the overall softness and toughness are good, not easy to break, easy to use, easy to carry, suitable for ordinary travel and snorkeling. Non slip sole that helps prevent cramps and fatigue, reduces drag and corrects your posture. Adjustable: More secure to use, suitable for beginners, perfect water sports equipment. Utilities: Can greatly increase the speed of swimming. A must have tool for diving enthusiasts! Specification: Material: Polypropylene Size(LxW): Approx. S or MD: 34x16cm/13.39x6.30inch S or M: 40x18cm/15.75x7.09inch ML or XL: 41x18cm/16.14x7.09inch Package Includes: 1 Pair Flippers Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!