SPECIFICATIONS Brand Name: PEISI Certification: FCM Feature: Disposable,Eco-Friendly High-concerned chemical: None Origin: Mainland China Ear Drip Style Coffee Filter 【Safe to use】Japanese material, Food grade, non-toxic, disposable single serve DRIP COFFEE filters. The coffee filters bags are licensed and certified. Bonded without the use of any glues or chemicals. 【Quick and Simple】The hanging ear hook design makes it simple to use and convenient to make a good tasting coffee in less than 5 minutes. 【Easy】Once you finish making your coffee, simply dispose of the filters bags. 【On the go】Great for making coffee & tea at home, camping, traveling, or in the office. 【Package Includes】50pcs Disposable Filters Bags Imported materials,safe and secure, enjoy quality life. Product parameters Name: Ear Drip Style Coffee Filter Material: high density non-woven fabric Size: 7.5*9cm Quantity: 50 pcs/pack Manufacturing standard: Q/WZFB1-2019 Manufacturing process:ultrasonic welding Production license: 浙 XK16-204-02364 Safe and healthy, no adhesives The mounting ears on both sides adopt ultrasonic welding machine technology and do not contain adhesive. Humanized design The hook is stable and foldable. High quality filter material Environmental protection, health, raw wood pulp material, food grade non-woven fabric, protect your food safety. Drink mellow coffee anytime, anywhere. Steps for usage step 1:Tear along the crease below the arrow and remove the upper part of the crease. step 2:Fold along the dotted crease at a 90-degree angle step 3:Pull the hanging ears apart and hang on the cup. step 4:Pour the ground coffee into the filter bag, about 8-15g. step 5:Pour in a small amount of water, soak the coffee powder, soak for about 20-25 seconds, and then continue to inject the required cup amount in batches. step 6:After completing the brewing steps, take out the hanging ear, squeeze out the water and discard it, and enjoy the mellow hand-brewed coffee.