Description [-Friendly Material] The UV tea bags are made of wood pulp paper, sealed by heat press, no glue, odorless, biodegradable compostable.[ Permeability] No tea leaf particulates floating out through the bag while allowing the tea to steep perfectly.[Sturdy to ] The tea bags wouldn 39;t apart, when be used to brew coffee or tea in oven or in pressure cooker.[Mess-Free] No need to clean up, and make much easier, a metal infuser.[Multiple Usages] The tea bags are often used for bath soaks, soup spices, foot-bath, desiccant storage, ball storage and so on. Can also be used to fill carbon to keep the water in the tank clean.size:7 x 5cmMaterial:papercolour:brownPackage Contents:500 x tea bagOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.,