1. Made of lightweight black polypropylene cover.
2. Available size: A2, 4K, A3, 8K, B4, A4, B5, A5..
3. Fixed sleeves inside for holding and protecting artwork safely and tidily.
4. With spine label for remarking.
5. Waterproof, acid free, tear resistant and recyclable.
6. Customized color and design are acceptable.
7. Origin: Taiwan
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