... . good heat seal,sell well filter paper for tea bags Our factory specially produce food grade tea bag & coffee filter paper which ... permeability, high tensile strength and nice heat seal performance, suitable for packing tea, coffee, herbs, condiment and other powder/granules products ... ²,38g/m²Width:65mm, 70mm,82mm,160mm, etcCoffee powder capacity for bags:One bag can serving 3-7 grams, it can ...