4-poster
4-poster is a members item. No shop sells 4-poster and no monster drops it, so an Ironman makes it: it takes 53 Construction and gives 450 Construction XP, using 3 × Mahogany plank and 2 × Bolt of cloth.
MembersUntradeable
Updated . Sources from the RuneScape Wiki's drop, shop and recipe data (CC BY-NC-SA 3.0), checked 2026-10-09. Item sprite © Jagex.
Ironman verdict
Where the materials come from: Mahogany plank (made with 60 Construction); Bolt of cloth (sold by Construction Supplies (Sawmill) for 650 coins). Making ten takes 30 × Mahogany plank and 20 × Bolt of cloth and gives 4,500 Construction XP. Reaching level 53 Construction takes 136,594 XP in total; the Construction calculator counts the actions and materials to any target, and the Construction guide has the Ironman training route. 4-poster is members-only. It is untradeable, so every account, Ironman or not, gets it the same way.
At a glance
- Members
- Yes
- Tradeable
- No
- Monster drops
- None
- Shops
- None
- Recipes
- 1
- Used in
- Nothing
Make it yourself
Needs 53 Construction · 450 Construction XP
Getting the materials as an Ironman
- Mahogany plank: made with 60 Construction
- Bolt of cloth: sold by Construction Supplies (Sawmill) for 650 coins
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