Durable PVC construction Crafted from robust PVC, these swimming fins are built to endure frequent use and provide longlasting performance for both divers and snorkelers. Adjustable fit for growing feet Adjustable size range of 14 5 cm offers a secure, comfortable fit, making them suitable for children of all ages and growing feet. Streamlined design for efficiency The streamlined blade reduces water drag, helping you swim and dive with improved speed and efficiency. Comfortable nonslip experience A nonslip bottom provides stable footing and helps minimize fatigue during extended wear. Use scenarios Pool swimming lessons and children's water play: Safe, secure fit and durable construction support multiple sessions. Family snorkeling trips: Reliable propulsion with an adjustable fit that accommodates growing feet and varying foot sizes. Beginner diving or reef exploration: Efficient design enhances movement through water while maintaining comfort and control.