Material: PPSize: 49 * 45cmColor: blackQuantity: 1 piecePackage content: 1 piece * mermaid fins1. PROFESSIONAL SWIM TRAINING EQUIPMENT - Our swim fins are a fun swimming tool that can improve the rhythm of leg exercises, improve leg strength, and correct leg movement, and the fins are like fish tails, the design allows the swimmer to learn to swim faster in the water2. HIGH QUALITY ELASTIC MATERIAL - The mermaid swimming monofin made of PP material, unmatched resistance, not easily deformable, soft and ultra-light materials ensure comfort and avoid bruises when you use them for a long time, so you can swim and swim comfortably more quickly3. GREAT DESIGN AND COMFORTABLE EXPERIENCE - Soft foot pockets keep your feet in the swimming monofin for the most comfortable swimming. Sense of balance and strength training of the leg muscles4. EASY TO WEAR AND ESCAPE - Easy to put on and take off, easy to tighten with the laces. The center seam keeps the feet in place for superior control every time you use the dolphin kick to swim like a mermaid, easy to wear and take off, no rubbing on the heel, a swimming weapon for professional swimmers or regular swimmers5. CHILDREN AND ADULTS FLAT FINS - Our swim training fins have professional kid-grade protection levels to help you withstand the waves while surfing while enjoying a romantic ocean getaway. The new design of the mermaid tail fins increases the interest of water sports for children, which is a good gift for girls and can become a mermaid