Professional 4x5 inch oxygen-bleached porous paper tea bags (16.5g), crafted from premium coffee filter material for optimal infusion. Each bag holds ?-? cup of loose leaf tea and seals effortlessly with a hot iron or heat sealer (cotton setting, no steam). Perfect for independent tea brands and exporters seeking customizable packaging solutions. Pack of 50 empty bags, with machinery handling note for tree nuts, soy, and dairy products.zq20260204201659