Material: It is made with galvanized iron, galvanized iron, stainless steel. The edge rolling up, when using, the hand will not be scratched, in such way, the cost will be increased; Or the edge not rolling up, when using, the hand will be easy to be scratched, but the cost is low. Printing method 1) printing specifications: company name or logo, serial number, etc. 2) logo: per request 3) serial numbers: stamping or laser engraving; generally 7digits or can be customized. How to seal it ? Sealed the container very easy How much is the tensile strength ? The internal structure, a spring perforation. We tested the seals in the general weather, the tensile strength is more than 75kgs (166lbs) . Packing : 1) pe bag : 100 pieces per bag ( according to length and weight ) With the same range of serial numbers. 10 bags one carton box Or can be packed according to customersâ?? requests. 2) box size: 35x26x20cm gross weight: 6.7kg 3) packed in pallets Faq Q1:why choose shandong bochuang lock? A:manufacturer all kinds of seal, with low price, high quality and short delivery time Q2:moq and delivery time? A:1 piece is ok. Delivery on time. Q3:how about the samples? A:samples are free and express charge is paid by the buyer. Q4:how about the payment term? A:west union, t/t. 30% advanced payment, 70% balance before the shipment. Q5:how much about the mold? A:mold is free for you once details are confirmed.