200 Pack 5x7 Corrugated Cardboard Sheets for Mailers, Flat Packaging Inserts for Shipping, Mailing, Arts and Crafts Supplies, Dividers, DIY Projects, 2mm Thickness

(0 Reviews)

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$24.99

Quantity
(10000 available )

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52 Ratings
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Reviews
  • ummm hey

    09-06-2025

    I needed to use these to send small sized magazines in the mail. I taped two together side by side for a little bit larger surface area and they held up to keep the bubble mailer with the magazine sturdy and unbendable.

  • Bambi

    Greater than one week

    Durable and easy to assemble

  • Amanda

    > 3 day

    I LOVE this product and will continue to buy these! They fit perfectly in the envelopes I use to ship out my stickers and helps to protect my products. My customers really appreciate them as well! Highly recommended!

  • Patrick Schowalter PhD

    > 3 day

    Arrived in perfect condition! This was packaged with care, it came in a very clean package. It is very sturdy cardboard. I would recommend this product for shipping.

  • Mary L. Harrington

    > 3 day

    Perfect thickness for my postcard shipping needs.

  • Nunya1103

    > 3 day

    As ridiculous as it may sound, I am so impressed and excited about this cardboard! It is not your standard cardboard that bends or dents easily. It is incredibly strong yet thin, not sure how that works but it does! I wish I had discovered these sooner. Highly recommend.

  • Ed Driscoll

    11-06-2025

    Insert for mailing flash drives

  • Sherri

    > 3 day

    I think most people mistakenly think the thicker the cardboard, the sturdier it is. However, these inserts are thin yet much sturdier than the thicker board I previously used. Ive purchased them three times now and all have been in great condition. As far as size, they measure exactly 5x7.

  • Leslie A.

    Greater than one week

    This is hands down the best to pack prints. They are thick and sturdy and keep prints safe when shipping out to my customers. I recommend these backing boards. They are true to size and come safely packed.

  • Meg S.

    > 3 day

    I used these for my business and mail stickers in between. Since I started using these, I havent had any issues with mail bending. These are thicker than I thought!

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Use for DIY and crafting projects

Add these corrugated cardboard sheets to your arts and crafts supplies to ensure you always have the necessary supplies on hand for an upcoming school project, celebratory occasion, or online order.

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Various Sizes

Our set of corrugated cardboard sheets come in the following sizes:

  • 24 x 36 inches
  • 9 x 12 inches
  • 11 x 14 inches
  • 11 x 17 inches
  • 5 x 7 inches

High-Quality

The thick corrugated cardboard sheets are ideal for packaging as they won’t easily bend, fold, or rip.

Customizable

Our rectangular cardboard sheets can easily be cut, shaped, and decorated for classroom projects, wall signs, or party decor.

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Packaging

Provide additional stability while packing and shipping art prints, pictures, and postcards.

Endless Uses

Ideal for kids crafts, custom picture frames, or packing and shipping online orders to customers.

Easy to Decorate

Use paint, foam letters, stamps, stencils, glitter, buttons, or ribbon to embellish the cardboard sheets for crafts.

Kids Crafts

Children of all ages will enjoy letting their creativity run wild as they draw, trace, and decorate the corrugated cardboard sheets to create custom artwork.

B07TDH6XG9  Corrugated Cardboard Sheets  2mm Strong Corrugated E-Flute Boards  Corrugated Cardboard Divider Sheets 11 x 17 inches Cardboard Cardboard
50 Pack Corrugated Cardboard Sheets Corrugated Cardboard Sheets 2mm Strong Corrugated E-Flute Boards Corrugated Cardboard Divider Sheets Corrugated Cardboard Sheets 200 Pack Corrugated Cardboard Sheets
Material Cardboard Cardboard Cardboard Cardboard Cardboard Cardboard
Dimensions 11 x 14 inches 6 x 9 inches 9 x 12 inches 7 x 10 inches 11 x 17 inches 5 x 7 inches
Quantity 50 Pack 50 Pack 50 Pack 50 Pack 50 Pack 200 Pack

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