Premium Materials: Crafted from TPR and PP, these swim fins offer a soft and comfortable heel that ensures ankle comfort without being too hard or too softInnovative Design: The fins automatically bend and recover when you kick back, providing exceptional flexibility and high speed performance with their high elasticity designAnti Slip Sole: Featuring a patterned bottom to enhance friction, these fins prevent slipping, offering unique comfort while reducing foot fatigueEfficient Drainage: Equipped with drainage holes at the bottom of the fins for quick water expulsion, minimizing water resistance for a smoother swimVersatile Use: Ideal for diving, snorkeling, swimming, and other water sports activities, making them a great addition to your aquatic gear collection Specification: Material: TPR PP Size Chart: total length 50cm/19.69inch, width 17.5cm/6.89inch, palm length 28.5cm/11.22inch Package Includes: 1 Pair ofSnorkel Fins Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.