100pcs 250x 330opp Plastic Courier Parcel Bags packaging shipping pouch medium with adhesive

The outside is opaque white, and the inside is dark gray or black to prevent the inside of the product from being seen during transportation. 1. The product is made of high-quality A-grade plastic, non-toxic, no odor, smooth to the touch, strong stability, and high toughness. 2. Explosion-proof edge, high heat sealing degree, can avoid missing parts. 3. Strong stickiness, permanent sticking, can only be broken and opened after sticking. 4. Strong load-bearing, waterproof and dustproof, can bear heavy weight, not easy to break, not rough, and better protect internal products.