To protect your armchair caddy for many years and protect silicone pow dot you just need to wash it with normal water and soap with your hand and let it out to dry alone. But if you use the armchair caddy that is made only from fabric or linen the way to wash this kind of caddy you just need to wash it in the washer but don't use hot water to not wrinkle. And if you just see some dirty spots all you need to do is just bring some damp cloth and wipe it.