【Compatibility】 Keel Fin Twin Keel Fin Surfing Carbon Composite ◎ Anonymous delivery OK ◎ Immediate purchase OK ◎ Brand new, unused No price negotiations We have various other products too♡ Please take a look! Twin keel fins for compatibility Despite the reasonable price, they are well-made♪ 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】 FUTURE 【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 rating the item. 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 Products☆ Due to overseas production, there may be unique odors, slight misalignments, fraying, and variations in shape and size.