Each reusable dishcloth comprises 70% Cellulose wood pulp and 30% Cotton. They are also 100% compostable and biodegradable. The towels hold up to 15x of their own weight in water and are versatile cleaning helpers: use them to clean dishes, kitchen surfaces and appliances, bathrooms, countertops, windows, furniture, plants, and much more. Measurements: 6.75" x 8" (17 cm x 20 cm) Designed in the USA. These clothes are naturally anti-bacterial. Toss them in the washing machine or place them in your dishwasher's top rack to thoroughly clean them. They typically last 2-3 months with average wear and tear, but they can be used for 6-12 months or up to 200 wash cycles. The dishwasher and machine washable at 60 degrees. Avoid tumble drying and fabric softener as they cause shrinkage.