Clear backing and instant adhesion;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);Heavy duty seal, even through rough handling;Made locally, with globally sourced materials;Provides excellent holding power for heavy-duty packaging and shipping;Release coating makes unwind easy. Resists slivering, splitting and tearing;Scotch Brand’s strongest clear-to-the-core packaging tape;Strong seal on all box types, including hard-to-stick-to 100% recycled boxes;Strong, durable solvent-free hot melt adhesive seals and protects;Typical thickness 3 mil;You don't need layers of tape to get the job done - Just one strip - so you save time;Your heavy packages can bear the weight and stay sealed through it all