OCEAN&EARTH Diamond Flex Leash Cord

I used this for about 5 years, but I stopped using it so I'm selling it.
Since it was used by an amateur, I believe the condition is not good.
I don't have much knowledge about product descriptions, so I've copied this from someone else.
This is an OCEAN&EARTH DiamondFlex Regular 7 leash cord.

OCEAN&EARTH is a global surf gear manufacturer used by many pro surfers like Kaito Igarashi PRO!!

[Compatible wave size] Waist to Chest to Double Overhead
[Cord thickness] 7mm
[Cord length] 2.1m
[Strap width] 5cm

⚫︎ The inside of the ankle strap uses non-slip neoprene, which minimizes strap movement ♪
⚫︎ The ankle strap is a lightweight and soft-fitting double strap ♪
⚫︎ The rail saver and leash string are integrated, so you don't need a separate leash string ♪
⚫︎ It has a system that allows the leash string to be easily threaded through the plug ♪
⚫︎ It uses a double swivel system, so it's a leash cord that is less likely to tangle ♪
⚫︎ The leash cord is 2.1m long, so it can also be used with mid-length boards.