[Eco-Friendly Material] The UV sterilized tea bags are made of wood pulp paper, sealed by heat press, no glue, odorless, biodegradable and compostable. [Excellent Permeability] No tea leaf particulates float out through the bag while allowing the tea to steep perfectly. [Sturdy for Brewing] The tea bags remain intact when used to brew coffee or tea in a microwave oven or pressure cooker. [Mess-Free] No cleanup required, making brewing easier compared to a metal infuser. [Multiple Uses] These tea bags can be used for bath soaks, soup spices, foot baths, desiccant storage, camphor ball storage and more. They can also be filled with carbon to help keep water in tanks clean. Size: 7 x 5 cm Material: Paper Color: Brown Package Contents: 500 x Tea Bag Only the above package content is included; other products are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm.