Which sofa material is easiest to maintain? 

When it comes to choosing a sofa material that is easy to maintain, there are a few options to consider. One popular choice is leather. Leather is naturally resistant to spills and stains, and it can be easily wiped clean with a damp cloth. Additionally, leather is durable and will last for many years with proper care. The only downside of leather is that it can be quite expensive. 

Another option is microfiber. Microfiber is a synthetic fabric that is known for its stain resistance and durability. It is also easy to clean with a damp cloth, and most spills and stains can be removed with just mild soap and water. Additionally, microfiber is often less expensive than leather. 

A third option is a removable and washable cover. This type of sofa has a cover that can be easily removed and washed, which is especially useful if you have children or pets. The cover is usually made of cotton, linen or polyester. 

Linen or cotton also can be a good option. They are natural and breathable. They are soft and comfortable, but they also need some extra care such as occasional vacuuming or brushing to remove dust, pet hair or dirt. They are also easily cleaned with mild detergent and water. 

In conclusion, when it comes to choosing a sofa material that is easy to maintain, you have several options to choose from including leather, microfiber, removable and washable cover, linen and cotton. Ultimately, the best option for you will depend on your personal preferences, budget, and lifestyle.