Batik Tulis or Painted Batik usually has deep philosophy, here is the tips to care batik as delivered in Indonesian Batik discussion in 2009 by Standard Chartered Bank.
-Keep batik in a non damp place and avoid direct sun light.
-Wrap batik in a non acid paper. Give fragrant to avoid insect by using roots or pepper. Do not use chemical such as camphor as it will deteriorate batik color.
-Periodically, once in two weeks open batik and to air it for 10 to 15 minutes to avoid dampness.
-Do not use washing machine. Wash manually and do not use strong soap. Lerak, shampoo, or baby soap or dry clean are good choices.
-To dry it, dont put under the sun. Just air it until dry.
-Do not iron batik. In case you should iron it, put textile layer on it. Or use warm steam iron.
-Do not soak batik ever. Do not brush. In case there is a spot, use lime skin to clean it, only on the spot area.