Mahogany armour case

The Mahogany armour case is a piece of furniture that can be built in the Costume room of a player-owned house with the Construction skill and is capable of holding armour. Building one requires 3 Mahogany planks.

This item is referred to as "M'gany arm'r case" in Grand Exchange search results.

Constructing 120 mahogany armour cases (from 360 mahogany planks) is a possible daily challenge in Construction.