Plastic Seals – Material: PP or PE; Stainless steel piece inside. SPECIFICATIONS: ● Pull tight locking construction. ● Approx. tensile strength: 30kgf. ● Working temperature: -10℃ – 70℃. ● With unique serial numbers on each seal. Sizes: Total Length – 550.0 mm; Flag: 90mm x 30mm; Tall: 460mm x 3mm. Packaging: 50 Pcs. Per Pack.