Shenzhen Jescom Electronic Technology Co., Ltd.  

Product Name: Environmental Protection Food Grade Silicone Face Mask Protective Masks Model NO.: Double Valve Mask Shape: Triangle Face Mask Mask Type: Safe-Type Color: White Material: Silicone Mask Application: Security Mask Type: Flat Unfold Way of Wearing: Earloop Material Range: Silica Gel Trademark: Yiersan Transport Package: Box Specification: 203*120*150mm Origin: China HS Code: 6307900010 Product Description Double Valve Silica Gel Face Mask PM25 Carbon Filter Cotton Face MaskDouble breathing valve: