Furniture Features of acacia wood. This item is made of acacia wood. It is important to understand the unique properties and characteristics of acacia wood. Wood Shading and Grain Variation in colour, shading and grain between different parts of the same product can occur, this is a normal feature of natural wood. Knots are a natural property of wood; they add interest to each piece and do not affect performance. Cracks Acacia wood can develop cracks along the grain after they have been exposed to the elements, this is a natural property and not a flaw. Cleaning & storage A yearly clean with warm water removes algae and pollution to restore the timber surface. Do not use any abrasive or corrosive cleaning products. Although acacia wood used for outdoor furniture is high in oil content making it weather resistant, we do advise storing in a dry place over the winter months to prolong the life of your furniture. Care The Anbarasi collection is treated with an outdoor sealant , however will develop an aged-grey patina over time. To prolong the life of your furniture a natural water-resistant oil or wax should be used each season. If your furniture becomes stained, scratched, chipped, or suffers other damage, we recommend professional help sought to restore it.