Ladies Woven Stretch Denim: 11.5 Oz | Fabric content: 98% cotton, 2% elastane. Machine wash cold, with like colors. Wash every 8-10 wears to help reduce your environmental impact and extend the life of your denim. Do not bleach. Tumble dry low or, even better, hang to dry. Be aware that natural indigo dye may bleed. Indigo dye can permanently stain light colored clothing or furniture, wear it with care.