Cold bubble bag is made of biodegradable non-woven fabric, will not affect the flavor, you will a . The filter bag can be used for hot and cold brewing coffee The structure is good-the coffee filter bag has no seams at the bottom and strong double stitches on both sides, which can withstand any , shaking or boiling process. The fine mesh allows water to freely the coffee grounds, whether it is coarse, medium or fine Size-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 jar. The cotton drawstring design is easy to use, and the knot at the top can the safety of the item No 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 cold brew drink Multi- 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 charcoal Colour: white Material: non-woven fabric Size: 10 x 15cm Package Contents: 100 x Coffee filter bag Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.