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.