Celastrus bark

Celastrus Bark is a members-only item on the OSRS Grand Exchange in the bars category.

In-game examine text: "A length of celastrus wood, ready for fletching."

It has a Grand Exchange buy limit of 12,000 every four hours, a high alchemy value of 270 gp, and item ID 22935.

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Celastrus Bark shows an active flip setup with a margin of +39 gp and 37,369 trades over the last 24 hours.

At the buy limit of 12,000 every four hours, max profit per cycle is about 468.0k gp — high margin with healthy liquidity.