Anti-theft Anti-tracking Waterproof And Fireproof Shielding Sleeve

Product information:
Product Name: flame retardant fireproof shielding bag
Color: Black
Size: small size: 20*12; Medium: 27 * 20cm; Large: 33 * 26cm; Maximum size 43 * 38cm
Function: fire retardant, waterproof, shielding electronic signal
Uses: different specifications can load car keys, credit cards, mobile phones, tablets, laptops, duplicate data files, etc.
Material: glass fiber shielding cloth