Guaranteed to Stay Sealed (If your box does not stay sealed, 3M will refund the purchase price of this tape. Proof of purchase required. Contact: 1-800-3MHELPS) Provides excellent holding power for heavy-duty packaging and shipping Strong seal on all box types, including hard-to-stick-to 100% recycled boxes Strong, durable solvent-free hot melt adhesive seals and protects Release coating makes unwind easy. Resists slivering, splitting and tearing 3.1 mil thick Scotch Brand's strongest clear-to-the-core packaging tape Made locally, with globally sourced materials Clear backing and instant adhesion