Cardboard inserts offer reliable protection for items during shipping, moving, and crafts. The following selections provide sturdy 2mm thick or similar corrugated sheets in a range of sizes, suitable for mailers, dividers, and DIY projects. This guide compares options by material quality, thickness, and versatility to help you choose dependable packing inserts.
| Product | Size | Thickness | Use |
|---|---|---|---|
| Calenzana 8.5×11 Sheets | 8.5 x 11 in | 2 mm | Packaging, shipping, mailing |
| MUKLEI 3.5×4.5 Sheets | 3.5 x 4.5 in | 2 mm | Protection, packing, crafts |
| Juvale 9×12 Sheets | 9 x 12 in | 2 mm | Dividers, inserts, crafts |
| RLAVBL 8×10 Sheets | 8 x 10 in | 2 mm | Shipping, DIY projects |
| JODOUEEIR 11×8.5 Sheets | 11 x 8.5 in | ~1.5 mm | Box dividers, crafts |
Calenzana 8.5×11 Corrugated Cardboard Sheets
Brand: Calenzana. This set includes 100 flat cardboard sheets sized 8.5 by 11 inches. The sheets are three-layer corrugated cardboard, approximately 2 mm thick, designed to act as partitions or protective shields when packing, shipping, or mailing. They arrive well-packed in a large carton to minimize transport damage. Suitable for use as internal dividers or cushioning in cartons and mailers, these sheets provide a rigid surface that helps prevent bending and scratches during transit.
MUKLEI 300 Pack 3.5×4.5 In Corrugated Sheets
Brand: MUKLEI. This bundle contains 300 sheets of 3.5 by 4.5 inch inserts with 1.6–2 mm thickness. The high-quality corrugated material provides rigidity and reliable protection for documents or small items during transport. These inserts can reinforce packaging, serve as dividers, or be cut for craft projects, delivering robust support without warping or tearing over time.
Juvale Corrugated Sheets 9×12 In, 50 Pack
Brand: Juvale. These 9 by 12 inch sheets are 2 mm thick, brown corrugated cardboard ideal for use as dividers, inserts in packaging, or backing for crafts. They offer sturdy protection for valuables during shipment and can double as mailers. Their standard size makes them well-suited for documents, photos, and small frame packaging. They are versatile for cardboard craft projects and book-binding support materials.
Juvale Corrugated Sheets 11×17 In, 50-Pack
Brand: Juvale. Large 11 by 17 inch sheets, 2 mm thick, designed as flat packaging inserts and craft backing boards. They fit as dividers or fillers within larger boxes, offering reliable transit protection for fragile items like frames or posters. Their size supports extensive cutting, folding, or use as backing boards for various professional applications.
Henoyso 110 Pack 11×8.5 In Corrugated Sheets
Brand: Henoyso. A 110-piece batch of brown corrugated sheets sized 11 by 8.5 inches with a thickness around 0.06 inches (approx. 1.5 mm). They are suitable as cushioning layers, separators, or craft inserts. The sheets can be stacked for thicker cushioning and are easy to cut to fit irregular shapes, making them practical for daily packaging and personal projects alike.
JODOUEEIR 200 Pack 5×7 In Corrugated Sheets
Brand: JODOUEEIR. This set features 200 sheets at 5 by 7 inches with 2 mm thickness. They are versatile for DIY crafts, photo frame backing, and as dividers inside mailers. The sheets provide a sturdy backing suitable for protecting delicate items in shipments and can be cut or stacked to tailor thickness and coverage for various packaging needs.
JODOUEEIR 105 Pack 11×8.5 In Corrugated Sheets
Brand: JODOUEIR. A bulk pack of 105 sheets measuring 11 by 8.5 inches with about 1.5 mm thickness. These corrugated sheets serve as reliable cardboard inserts for mailers, box dividers, and crafts. Their sturdy build supports safe transport of documents, photos, and small items, while offering flexibility to suit a range of packaging configurations and project needs.
Buying Guide
Key purchase considerations help you select the right cardboard inserts for packaging, shipping, or crafts:
- Size and compatibility: Choose sheets that fit your box dimensions and the items being protected. Common sizes include 8.5×11, 8×10, 9×12, 11×8.5, and 5×7 inches.
- Thickness and rigidity: Corrugated sheets typically range from 1.5 to 2 mm. Thicker sheets provide more cushioning but may be harder to cut to fit irregular shapes.
- Material quality: Look for multi-layer corrugated boards with a stable surface to resist bending, tearing, or warping during transit.
- Quantity and value: Bulk packs offer cost efficiency for frequent use, while smaller packs suit occasional packing or crafting tasks.
- Versatility: Sheets can function as dividers, protective shields, backing boards for crafts, or fillers inside mailers. Consider whether you need stackable cushions or easy cutting for custom fits.
- Compatibility with packaging workflow: If you move items frequently, choose sheets that are easy to cut, stack, and store in your workspace.
Across these options, the common advantages are improved item protection, reduced transit damage, and expanded packaging productivity for both commercial shipping and hobbyist projects. The best choice depends on your typical item size, desired cushioning level, and how often you need inserts.