1. Material: 100% pure natural wood pulp 2. Weight: 1 ~ 2 2 ~ 4 cup 3. Net weight: 0.06 KG 4.Type:v01 v02 With this type of filter paper must be special equipment can use, cannot be used to directly filter coffee, please pay attention to a close the oh! Product features: 1. Without adding any fluorescent substances, formaldehyde and phenol harmful substances to human body. 2. Use 100% pure natural wood paddle. 3. Can match V02 series coffee filter is used 4. No bleaching filter paper, can reduce the damage to the coffee flavor, more sweet to drink coffee, but also environmental protection. 5. Weight: 1 ~ 2 2 ~ 4 cup, 40pcs per opp bag.