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Home / Self-Adhesive Bags / OPP Self-Adhesive Bags, Transparent Clothing Packaging 30×40, Plastic Self-Sealing Bags for Books

Attributes

Brand -
Category Packaging / Self-Adhesive Bags
Origin -
Material OPP (Oriented Polypropylene)
Dimensions 30 x 40 cm
Closure Type Self-Adhesive Strip
Transparency Crystal Clear
Thickness 25 Microns
Recommended Use Clothing, Books, Documents
Seal Strength High Tack Adhesive
Reusability Single Use Recommended
Package Quantity 100 Pieces per Pack
Recyclable Yes (Check Local Guidelines)

6 reviews

A

Anonymous

Mar 29, 2026

Rating: 3/5

Good but adhesive varies

Most of the bags work perfectly, but I found about 5 in the pack where the adhesive strip wasn't sticky enough. The rest were fine though.

A

Anonymous

Mar 17, 2026

Rating: 5/5

Perfect for my online boutique

These bags are exactly what I needed for shipping clothes. They are crystal clear, so customers can see the product immediately, and the adhesive strip is very strong. No issues with packages opening during transit.

A

Anonymous

Mar 05, 2026

Rating: 4/5

Great quality, slightly stiff

The material feels durable and professional. The only reason I didn't give 5 stars is that the plastic is a bit stiff, making it slightly harder to insert bulky items, but overall a great purchase.

A

Anonymous

Mar 03, 2026

Rating: 5/5

Excellent value for money

You get a lot of bags for the price. The clarity is impressive, and they don't have that cloudy look cheaper bags often have. Will definitely reorder.

A

Anonymous

Mar 02, 2026

Rating: 5/5

Ideal size for textbooks

I bought these to protect my children's textbooks during the school year. The 30x40 size fits most standard hardcovers perfectly. The seal stays shut firmly.

A

Anonymous

Mar 02, 2026

Rating: 5/5

Professional packaging solution

Using these for my Etsy shop has elevated my brand image. They look clean and professional. The self-sealing feature saves me so much time compared to taping boxes.

5 FAQ

Q: What is the actual thickness of the plastic?

A: The bags are manufactured with a thickness of approximately 25 microns, providing a balance between durability and flexibility.

Q: Can I write on these bags with a marker?

A: Yes, you can write on the surface of these bags using a permanent marker. The ink dries quickly and does not smudge easily.

Q: Do these come with a perforation for easy opening by the recipient?

A: No, these specific bags do not feature a tear-off perforation strip. They must be opened by peeling the sealed edge or cutting.

Q: Will a standard A4 document fit inside?

A: Yes, an A4 sheet (21 x 29.7 cm) fits comfortably inside the 30 x 40 cm bag with plenty of room to spare.

Q: Are these bags suitable for food storage?

A: No, these OPP bags are intended for non-food items such as clothing, books, and documents. They are not certified food-safe.

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