Plastic Seal – Materials: PP (Polypropylene) with metal clips. SPECIFICATIONS: ● Fixed length, double locking mechanism. ● Printing Area: 18*35mm; Strap Diameter: 2.50mm. ● Average tensile strength: 25kgf. ● With unique serial numbers on each seal. Size: Total Length – 300.0 mm. Packaging: 50 Pcs. Per Pack.