Estone&reg; New 50/100/200Pcs Empty Teabags String Heat Seal Filter Paper Herb Loose Tea Bag (200pcs) No pollution to our circumstance. Ways of seal off: seal it off by string. These bags are used for filling with 3 ~ 8g mixture of tea or dry herb or plants. Suitable for tea, spice and herbal powder. Size:7x5cm/2.76"x1.97"