• Tamper-evident void security tape, designed to protect belongings during storage and transport. • When attempting to remove the tape, a hidden security message ("VOIDOPEN") appears on the surface, revealing any tampering attempt. • Does not leave sticky residue or damage the product, packaging, or surface, ideal for reusable or expensive packages. • Compatible with most surfaces: glass, plastic, metal, paper, cardboard, ceramic, and other common materials in the home, business, or office. • Mainly made of Dupont polyester, a safe, durable material with a fine finish. • 3-inch plastic core and laminated protective films on each tape for greater protection and durability. • It is recommended to clean the application surface with 90% isopropyl alcohol before applying the tape. • Apply on a clean, dry surface at a minimum temperature of +4.4 °C. • Working temperature range: -40 °C to +71 °C. • Storage temperature: 4.4 °C to 37.8 °C; storage humidity: 20% to 60%. • Minimum validity period: 2 years.