Household Material: PLA Type : Disposable Package: 10pcs/middle bag,100pcs/ctn Usage: Medical Certification: CE ISO9001 TUV 聽 Product Details Safe material: environmentally friendly non-woven fabric, better water permeability. The tea leaves will fully unfold and bloom in water. You get better flavor faster every time. Biodegradable and bioactive polylactic acid (PLA, derived from corn starch)...