Model yt-cs305 Material diameter & length as per custom ordered. Color blue/green/yellow/others Imprinting laser-etch Custom ordered bar code, numbering Certification iso17712 Packing 100pcs/plastic bag 1000pcs/carton Applications railway cars, truck trailers, containers, international freight, valve Faq Q: are you a manufacturer or a trading company? A: we are a leading manufacturer & trading company. We have specialized in the field of security seals over ten years in china. Our factory is located in dezhou, shandong province. We also have rich exporting experience. Q: do you provide samples ? is it free or extra ? A: yes, free samples are provided for your evaluation. However, the express charge will be borne by you. Just tell us your freight collect number of any express courier or contact us . Q:how long is your delivery time? A: generally in 5-7 workdays after order. Related with quantity and stock. Q: what is your terms of payment ? A:various options to make payment more convenient, t/t, l/c, paypal, western union and credit card are all available.