we supply heat seal filter paper, used for tea bag, coffee bag,etc. Good density and filtrability, competitive price. we can supply heat seal filter paper, used for tea bag, coffee bag,etc.Width as:110mm, 105mm, 125mm, 490mm or based on request.GSM like: 16.5g,18g, 21g (main for teabag) 25g,28g(main for coffee bag), or by request.