Cold brew bag made of biodegradable non-woven fabric, does not affect flavor, providing a smooth taste. The filter bag is suitable for both hot and cold brewing. Durable construction with seamless bottom and reinforced double sides to withstand agitation, shaking, or boiling. Fine mesh allows water to fully penetrate coffee grounds, whether coarse, medium, or fine. Mesh brewing drawstring bag measures 4 x 6 inches / 10 x 15 cm, holds enough for one cup of coffee powder, fits a 32-ounce Mason jar. Cotton drawstring design is easy to use, with secure knot at the top for safety. No mess and no sediment—eliminates messy cleanup; ideal for making clean, convenient cold brew coffee without grounds. Enjoy homemade smooth cold brew drinks. Multi-purpose use: suitable for coffee, loose tea, herbs, spices, lav, potpourri, powders, seasonings, hot pot, stew, foot bath, and bamboo charcoal. Color: white. Material: non-woven fabric. Size: 10 x 15 cm. Package includes: 100 x coffee filter bags. Package content only, other items not included. Note: Lighting and display differences may cause slight color variation between image and actual item. Measurement allowance: +/- 1-3 cm.