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Best 12 X 12 Cardboard Sheets for Shipping, Crafting and More

Discover reliable 12 x 12 corrugated cardboard sheets ideal for mailing, packing, crafts, and DIY projects. This guide highlights five top options, focusing on thickness, rigidity, and versatility to help protect items and boost presentation during shipping and crafting tasks.

The following table provides quick comparisons of the featured products, including brand, size, thickness, and common uses.

Product Brand Size Thickness Common Uses
Hacaroa 50 Pack Corrugated Cardboard Sheets Hacaroa 12″ x 12″ 2 mm Shipping, packing, crafts
Henoyso 110 Pack Corrugated Cardboard Sheets (Brown) Henoyso 12″ x 12″ 0.15 in / ~3.8 mm total thickness equivalent Packaging, DIY crafts, cushioning
Bercoor 25 Pack Corrugated Cardboard Sheets Bercoor 12″ x 12″ 0.2 mm Vinyl records, crafts, packing
RLAVBL 50 Pack 12×12 Sheets RLAVBL 12″ x 12″ 2 mm Shipping, DIY crafts, packing
EZALFTIN 100 Pack 12×12 Sheets EZALFTIN 12″ x 12″ 1.8 mm (0.07 in) Crafts, dividers, backing

Hacaroa 50 Pack Corrugated Cardboard Sheets


Hacaroa corrugated cardboard sheets 12x12

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Hacaroa offers a 50-pack of flat corrugated cardboard inserts, each 12″ x 12″ and 2 mm thick. The sturdy brown sheets resist bending, making them suitable as protective fillers for mailers, shipping boxes, and craft projects. They can be cut to shape for decorative or functional uses, such as wedding or party décor and gift packaging. These inserts provide a simple, economical way to cushion items during transport while enabling creative customization.

Henoyso 110 Pack Corrugated Cardboard Sheets (Brown)


Henoyso corrugated cardboard sheets 12x12 brown

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This Henoyso bundle includes 110 brown corrugated 12″ x 12″ sheets, about 0.15 inches thick (combining multiple layers for cushioning as needed). The sheets have smooth surfaces and practical thickness for protecting items in transit, while offering flexibility to stack for thicker padding. They’re easy to cut to match packaging requirements and suitable for both shipping and craft applications, from photo displays to DIY decorations.

Bercoor 25 Pack Corrugated Cardboard Sheets


Bercoor corrugated cardboard 12x12

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Bercoor provides 25 flat 12″ x 12″ corrugated inserts designed to protect vinyl records and other flat items. With a 0.2 mm thick profile, these sheets resist bending during transport and can be used as backings for artwork or craft projects. The sets also double as versatile DIY materials suitable for colorizing, doodling, or adding decorations for events like weddings or parties, as well as practical packing aids.

RLAVBL 50 Pack 12×12 Corrugated Cardboard Sheets


RLAVBL 12x12 corrugated sheets

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RLAVBL’s 50-pack features three-layer E-flute corrugated cardboard sheets measuring 12″ x 12″ with 2 mm thickness. Their strength helps protect prints, photos, CDs, or documents during mailing and shipping. The brown sheets are also well-suited for DIY crafts, making them a versatile option for home or office packaging and creative projects.

EZALFTIN 100 Pack 12×12 Inch Flat Corrugated Cardboard Sheets


EZALFTIN 12x12 corrugated sheets

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EZALFTIN offers 100 flat corrugated sheets, each 12″ x 12″ and about 1.8 mm thick. Made from quality 160# ECT-25 material, these sheets are crush-resistant and easily cut for crafts, photo backing, or dividers. The kraft top surface supports coloring and personalizing, making them suitable for a wide range of DIY projects and shipping dividers.

Henoyso 110 Pack Corrugated Sheets (White)


Henoyso corrugated sheets white

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This white variant from Henoyso mirrors the brown pack in quantity and sizing, also offering 12″ x 12″ sheets with a 0.15 inch-type thickness. It emphasizes reliable material for cushioning during transport while presenting a clean surface suitable for crafts and event décor. The sheets’ flexibility allows stacking for thicker padding and straightforward cutting for custom packaging needs.

36 Packs 12×12 Inch Cardboard Sheets (ANSSDO)


ANSSDO 12x12 cardboard sheets

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ANSSDO delivers 36 white 12″ x 12″ sheets designed as durable backing and inserts for shipping, crafts, and DIY decor. Their rigid yet lightweight construction helps protect delicate items while keeping packages manageable. The sheets are well-suited for creating DIY displays, photo backings, and party or wedding décor projects without adding significant weight.

Buying Guide: Key Purchase Considerations

  • Thickness and rigidity: For fragile items like photos, records, or artwork, thicker sheets (around 2 mm or more) provide better cushioning and reduce bending during transit. Lighter options can suffice for simple crafts or DIY decor.
  • Size consistency: 12″ x 12″ is a standard square size that simplifies packing grid layouts and easy cutting. Verify tolerance for exact fits if you rely on precise dimensions inside mailers or frames.
  • Material quality: Three-layer or corrugated E-flute boards offer better strength. Look for sheets with smooth surfaces on at least one side for easier coloring, labeling, or customization in crafts.
  • Color and finish: Brown is typically kraft-safe for shipping, while white options can be preferred for presentation or quick DIY projects where visibility is important.
  • Cutting and customization: If you plan to shape sheets, ensure they’re easy to cut with basic tools and compatible with adhesives, paints, or decorative elements.
  • Packaging scenario: For vinyl records or delicate items, consider inserts that prevent shifting and minimize contact with edges to protect finishes.
  • Quantity and budget: Bulk packs reduce per-unit cost and are convenient for ongoing packing or large craft projects. Balance needed quantity with storage space.
  • Versatility: Choose sheets suitable for both shipping protection and crafts to maximize value across multiple use cases.