Ucanpack Brown Corrugated Sheet 12x12, Made In USA- 3mm Thick Cardboard Dividers For Boxes,100 Pcs Insert For Packing, Mailing, Crafts, Diy Supplies (B Flute)

BRAND: Ucanpack BUNDLE FOR YOU: You’ll get 100 flat corrugated sheets, each sized 12x12 Inches USES: Great for shipping, crafts, storage dividers, and mail protection. These are all sized to support a wide range of business and DIY uses. MADE TO PROTECT: Each sheet is crafted from sturdy 3mm B Flute board to prevent bending, folding, or damage in transit. Ideal for inserting into envelopes or boxes to support artwork, photos, apparel, or documents. BUILT FOR REPEAT USE: Made with durable 200# test kraft, these sheets stay flat, resist wear, and perform well in storage or display. Use them as layer pads, frame backers, or DIY shelf liners. CRAFT-READY EVERY TIME: Easy to cut, fold, and work with for personal or professional projects. Great for classrooms, small business shipping stations, art studios, and warehouse setups. RESPONSIBLY SOURCED: All UCanPack corrugated boards are made in the USA from 100% recycled materials. They’re clean, consistent, and eco-conscious, so you can package with purpose. CUSTOM OPTIONS AVAILABLE: Looking for a different size or custom color? We make corrugated sheets to order for branding, shipping, or creative work. Contact us for additional details.