Food grade material- cold foam 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 cold brewing coffeeThe structure is very good-the coffee filter bag has no seams at the bottom strong double stitches on both sides, which can withst any agitation, shaking or boiling process. The fine mesh allows water to freely soak the coffee grounds, whether it is coarse, medium or fineLarge size-The mesh brewing drawstring bag is 8x12 inches/20x30 cm can hold a pound a half of coffee powder. Fits 1 or 2 gallon (or larger) cans buckets. The cotton drawstring design is easy to use, the knot at the top can ensure the safety of the itemNo mess no precipitation-Help skip the messy cleaning work, use disposable coffee filter bags to make cold brew coffee at home easy, no coffee grounds, clean tidy. Enjoy your homemade smooth cold brew drinkMulti-purpose cold bubble bag-filter bag can be used for coffee, loose tea, herbs, spices, lavender, potpourri, herbal powder, seasoning, hot pot, stew, foot bath bamboo charcoalMaterial:Non-woven fabriccolour:WhitePackage Contents:100 x Coffee filter bag