Vktech Disposable String Drawstring Empty Heat Seal Filter Paper Tea Bags Pack of 100 Brand new;Natural materials, high-grade filter paper;Size:XS approx 5x6.2cm/2.0x2.4inches Ways of seal off: seal it off by string,Draw string closure Suitable for tea, spice and herbal powder No using hot iron or electric iron Note : Product should come in Leegoal branded packaging. If not, please contact us or Amazon !