Material of shell: High performance ABS, anti collision, anti cutting, anti strike; Inside: EVA sponge, mesh fabic, lmitation leather and nylon satin constitute the internal buffer system.Color: Matte black Material: Enhanced Acrylonitrile-butadiene-styrene copolymer (ABS). Thickness of shell: 5.5±0.5mm. Adjustable and comfortable suspension system(mesh&leather parts); easy take off chin strap. Designed with good ventilation and perspiration absorb systems. Weight: 520g±20gQ1: Are you manufacturer or trading company? A1: Professional manufacturer is who we are. Q2: How long have you been this industry? A2: About 17 years, since from 2005, the most old-line company in China. Q3: Where is your factory located in? A3:Wenzhou City, Zhejiang Provice. 1h flight from Shanghai, 2h flight from Guangzhou. If you want to pay a visit us, we can pick you up. Q4: How many employees do you have? A4: Over 100 Q5: What are the standards do you follow? A5: China GA, NIJ, also ASTM or BS can be make if requested. Q6: How long can i have the sample? A6: Normally sample will be ready within 3-5 working days. Q7: What are the payment methods do you accept? A7: L/C, T/T and Western Union. Q8: How about warranty police? A8: 1-5 years warranty will be offered based on different items.