Security seals are essential tamper-evident devices used to protect goods across logistics, e-commerce, and manufacturing supply chains. Designed to reveal unauthorized access through irreversible physical or visual indicators, security seals help deter theft, maintain chain of custody, and support compliance. This article explains how security seals work, their common types, key applications, and best practices for verification.

Wet biological evidence must be collected and preserved to prevent contamination and degradation. Always wear clean gloves and use sterile collection tools. Air-dry wet items before packaging whenever possible; if drying isn’t immediately feasible, place items in impermeable containers and refrigerate until drying can occur. Package each item separately in breathable materials, label clearly, seal securely, and maintain a detailed chain of custody to protect integrity and adm

Lab Specimen Transport Bags are essential for safely moving clinical samples between collection sites and laboratories. With leak-proof construction, biohazard labeling, and compliance with WHO transport guidelines, they help protect specimen integrity, reduce contamination risks, and support accurate laboratory results.