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In today’s world, sustainable packaging solutions are no longer optional—they are essential. Cornstarch-based biodegradable packing peanuts provide a safe, eco-friendly alternative to traditional styrofoam fillers. Made from renewable plant starch, they offer excellent cushioning for fragile items while breaking down naturally after use. Unlike polystyrene, which lingers in landfills and pollutes oceans, these peanuts completely dissolve in water or compost, leaving behind no harmful residue.
Businesses across industries are embracing compostable shipping peanuts to reduce their environmental impact. Whether you’re a small eCommerce shop or a large distribution center, switching to these peanuts helps protect delicate goods during transit while showcasing your commitment to green practices. They are lightweight, dust-free, and static-free, making them perfect for electronics, glassware, and other sensitive items. Customers also appreciate receiving packages that align with their values of sustainability.
By choosing cornstarch packing peanuts, companies not only secure their shipments but also strengthen their brand identity as eco-conscious leaders. This transition represents a simple, cost-effective step toward a circular economy where packaging supports—not harms—the environment. From durability to eco-certification, these peanuts prove that sustainability and performance can go hand in hand, helping businesses stand out in a competitive, environmentally aware marketplace.
Cornstarch-based packing peanuts are lightweight loose-fill materials designed to protect goods during shipping. Unlike traditional styrofoam peanuts, these are crafted from renewable cornstarch, making them 100% biodegradable and compostable. They naturally break down in water or soil, offering the same protective performance as plastic fillers without the environmental cost.
Fill packaging voids by pouring the peanuts around products inside cartons or shipping boxes.
Stabilize fragile items such as glass, ceramics, or electronics by ensuring they are cushioned from all sides.
Seal and ship knowing the peanuts interlock to prevent movement and absorb shocks during transit.
After delivery, the customer can simply dissolve them in water or dispose of them in compost bins, ensuring zero plastic waste.
✅ Biodegradable & Compostable – Made from natural cornstarch, they dissolve in water and leave no toxic residues.
✅ Eco-Friendly Alternative – A sustainable replacement for styrofoam peanuts that reduces plastic waste.
✅ Lightweight & Cost-Effective – Keeps shipping costs low while providing reliable cushioning.
✅ Static-Free & Dust-Free – Safe for shipping electronics and sensitive items.
✅ Customer-Friendly – End users can compost or dissolve them, adding to the unboxing experience.
✅ Trusted by U.S. Brands – Available through suppliers like U-Haul, Uline, and Storopack.
Eco-Conscious Material – Made from cornstarch and potato starch, fully compostable, safe for humans and pets.
Performance You Can Trust – Interlocks to protect fragile goods with the same reliability as foam peanuts.
Positive Customer Experience – Creates a unique eco-friendly unboxing moment.
Trusted Suppliers – Options available from U-Haul, Uline, and Storopack RENATURE®.
| Size / Volume | U.S. Model Example & Supplier | Price Estimate* | Notes |
|---|---|---|---|
| 1.5 cu. ft per bag | U-Haul Corn-Potato Starch Peanuts | ~$4.95 per bag | Compostable, dissolves in water, anti-static (Buy Here) |
| 7–20 cu. ft bags | Uline Biodegradable Peanuts | $19–30 per bag | Available in multiple bag sizes with fast shipping (Shop Uline) |
| 14 cu. ft per bag | ServiceBoxShop Cornstarch Peanuts | ~$24.20 per bag | Static-free, water-soluble (Shop ServiceBox) |
| Bulk loose fill | Storopack RENATURE® | Quote-based | ASTM-certified compostable, industrial-grade (Storopack) |
*Prices subject to change—check supplier for latest.
Naturally Degradable – Breaks down in water or soil without leaving harmful residue.
Compost Certified – RENATURE® by Storopack meets ASTM compostability standards.
Pollution-Free – Prevents microplastic pollution compared to styrofoam.
Boosts Brand Image – Eco packaging aligns your business with consumer sustainability values.
| Feature | U-Haul Peanuts | Uline Peanuts | ServiceBoxShop Peanuts | Storopack RENATURE® |
|---|---|---|---|---|
| Material | Corn & potato starch | Cornstarch | Cornstarch | Renewable starch resources |
| Compostable / Biodeg. | Yes; dissolves in water | Yes; dissolves in water | Yes; dissolves in water | ASTM D6400/D6868 certified compost. |
| Bag Sizes | 1.5 cu. ft | 7–20 cu. ft | 14 cu. ft | Bulk / custom |
| Price Range | ~$4.95 | $19–30 | ~$24.20 | Quote-based |
| Best For | Small shippers / retail | Medium to high volume | Moderate volume | Industrial / certified eco packaging |
“Using U-Haul’s cornstarch peanuts has drastically reduced our plastic footprint. They dissolve in water and cushion our glassware just as well as foam—without the guilt.”
“We switched to ServiceBoxShop’s larger cornstarch bags, and they work fabulously for our eCommerce shipments. Customers love the eco-friendly appeal, and shipping stays safe and intact.”
“As a green-brand high-volume shipper, we rely on Storopack’s RENATURE® loose fill. Industrial compostability and certification help us meet sustainability goals while maintaining superior protection.”
| Term | Definition | Key Notes |
|---|---|---|
| Biodegradable | Breaks down naturally by microbes over time, no set conditions or timeline. | Vague; may leave residues. |
| Compostable | Decomposes in controlled conditions into non-toxic soil in a set timeframe. | Regulated, ASTM certified. |
| Recyclable | Collected and reprocessed into new items rather than decomposing. | Reuse system, not breakdown. |
All compostable items are biodegradable, but not all biodegradable items are compostable.
Compostable = best environmental option if proper facilities exist.
Recyclable = reuse path, not natural breakdown.
Choosing cornstarch-based biodegradable peanuts means making a smart, eco-conscious decision without compromising on protection or convenience. These plant-derived, non-toxic peanuts cushion items effectively while dissolving harmlessly or composting after use. By choosing them, businesses align with environmental responsibility and modern packaging best practices.
Consumers increasingly value sustainability. By switching to compostable loose fill, brands enhance their green credentials while providing reliable shipping solutions. Trusted U.S. suppliers like U-Haul, Uline, ServiceBoxShop, and Storopack offer dependable options for low to high-volume needs—each backed by quality and performance.
Ultimately, cornstarch peanuts offer a small change with significant impact—reducing plastic waste, supporting composting systems, and reinforcing your brand as eco-forward. Whether you're a small business or a large fulfillment center, this solution brings practical, planet-positive benefits to every shipment.