Strength check, the maximum tensile force Nmax that the high-strength bolt is subjected to by the tensile force should meet Nmax< The Multi Pocket Safety Vest has many useful features and a number of storage solutions which make it perfect for a wide range of working environments. Such as mobile phone pocket, double pen pocket, ID pocket with window top opening and bellowed front storage pockets with velcro-fastened flap. We have over 10 colors and 5 different colour combinations style for your choose. There is also enough space on the back of the vest to print your LOGO and the style of them can be customized. Multi Pocket Safety Vest Multi Pocket Safety Vest,Safety Vest With Pockets,Reflective Workwear,Traffic Vest Xinxiang Zhongke Reflective Material Co., Ltd. , http://www.zkprotective.com