Cold bubble bag is made of biodegradable non-woven fabric, will not affect the flavor, you will get a very smooth taste. The filter bag can be used for hot and cold brewing coffeeThe structure is very good-the coffee filter bag has no seams at the bottom and strong double stitches on both sides, which can withstand any agitation, shaking or boiling process. The fine mesh allows water to freely soak the coffee grounds, whether it is coarse, medium or fineSize-The mesh brewing drawstring bag is 4 x 6 inches/10 x 15 cm, can hold a cup of coffee powder, fits a 32-ounce Mason jar. The cotton drawstring design is easy to use, and the knot at the top can the safety of the itemNo mess and no precipitation-Help skip the messy cleaning work, use disposable coffee filter bags to make cold brew coffee easy, no coffee grounds, clean and tidy. Enjoy your homemade smooth cold brew drinkMulti- cold bubble bag-filter bag can be used for coffee, loose tea, herbs, spices, lavender, potpourri, powder, seasoning, hot pot, stew, foot bath and bamboo charcoalColour: whiteMaterial: non-woven fabricSize: 10 x 15cmPackage Contents:100 x Coffee filter bag-3cm.