Our tea bag drawstring is made of non-woven fabric, do not worry, it is food grade filter paper. Function: enjoy your favorite loose leaf tea without choking tea leaves. Non-toxic for safe and healthy use. Size: 90 mm (length) and 70 mm (width), not too small and just right for / cup / coffee / fruit tea / herbal tea etc. Feature: tea bag drawstring can withstand high temperatures, antibacterial, tea seeps easily and quickly to get stronger tea. Application: perfect for loose tea, coffee, herbs, potpourri, herbal powder and much more. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin