BoldDrop Premium Empty Drawstring Disposable Tea Filter Bags - 100 bags (Bleach free, Paper free, Natural Plant Based Fabric) 100 Tea Bags Per Box Material: Plant based fabric made from corn starch Size: 2.3" x 3.3" Inches Simple to pack and close with drawstring. No heat sealing required. Works great with all types of Tea, Herbs, Potpourri, Infusions and more