Eco-friendly materials easy to degrade: non-woven tea filter bags, odorless, safe and environmentally friendly, self-degrade after disposal 3 sizes: 2.75 x 3 .54 inch (7cm x 9cm) / 1.96 x 2.75 inch (5cm x 7cm) / 3.14 x 3.93 inch (8cm x 10cm) 100 packs per size; It is good for brewing loose leaf tea without the mess or floating objects Insulating pouches: seal them with a string; It is portable and useful when you want to use it. Just pull the string tightly and drop it into your glass. Easy to use: seal it with a string; It is portable and useful when you want to use it. All you need to do is pull the string tightly and drop it into your glass. Tea leaves never drip or spill in a cup. Keep your brewed tea clean, easily clean your cups or bottles. Application: suitable for loose leaf tea, coffee, herbal, bouquet garni, potpourri, herbal powder plants and more; Tea Bag Won’t Leak and Drip, Foot Bath Sachet and Bag Making Features: 1. The natural materials, unbleached, treated by UV