Product: Stainless steel diamond mesh Material: 304,316 stainless steel wire Weaving: Plain weaving, Crimped wire Surface Treatment: Spraying Features: 1. Strong resistance to impact 2. Against theft 3. bullet proof 4. insect prevention 5. Long service lift, almost 15 years 6. Good light transmission: high resolution from inside to outside, ambiguous from outside to inside Function: It is the preferred product of warmth, security, against theft, bullet-proof for bedroom and office. Commonly we also call it security protection metal mesh for doors and windows