◎ Anonymous shipping OK ◎ Immediate purchase OK ◎ Brand new, unused Price negotiation not accepted [Compatibility] Keel fins, twin keel fins, surfing, carbon composite Compatible twin keel fins with a reasonable price and solid construction! Recommended for beginners and those who want to try twin keel fins.* The color is matte black for a cool finish. [Color] Matte Black, Black [Compatibility] FCS [Available Sizes] FCS FCS2 FUTURE ↓↓↓↓↓↓↓↓↓ If you want other sizes, please contact us in the comments section! We will check the stock! [Material] Carbon composite material ☆ About Packaging ☆ Simple packaging. We inspect the items before shipping, but if there is any damage, please contact us before giving a rating. We cannot accept returns after the transaction is complete, so please be careful. ☆ About Measurements ☆ Measured flat. Please note that there may be slight errors due to amateur measurements. ☆ About the Product ☆ Due to overseas production, there may be a unique smell, slight misalignment or fraying, and errors in shape and size.