We handle high-quality fiberglass fins sourced directly from a factory that produces famous brand fins! We sell beautiful, design-rich fins at a great value. Please check out our profile! ♪ [Product] Twin Fin Material: Fiberglass Compatible with Futures. Unique coloring! Stylish and mood-boosting design fins! Of course, they are made of fiberglass and offer excellent performance! The fiberglass provides flex and strength! We highly recommend these fins for those seeking faster takeoffs and dynamic turns. They match well with shortboards and fish boards. If you purchase a fin keychain at the same time, we will include a keychain in your favorite color for an additional ¥700. Please let us know in the comments beforehand.