Description
#40 Quick RT Foam Packaging Bags offer a simple, equipment-free way to protect products during shipping. Designed to fit 12x12x12 boxes, these expanding foam bags create custom cushioning that blocks, braces, and stabilizes items inside the carton to help reduce movement and impact damage.
Instapak Quick RT foam packaging is an on-demand solution that can be used virtually anywhere. Each bag expands up to 27 times its original size, allowing packers to create protective foam cushions without the need for machines or dedicated foam-in-place systems. This makes Quick RT bags especially useful for operations with limited space, mobile packing stations, or variable shipping volumes.
The Instapak Quick Tuff foam formulation delivers durable cushioning performance suitable for heavier, fragile, or irregularly shaped products. Once activated, the foam conforms closely to the shape of the product, helping absorb shock and vibration during handling and transit. This custom fit provides more consistent protection than loose fill or generic padding materials.
Quick RT foam bags are commonly used in industries such as manufacturing, e-commerce fulfillment, electronics, medical devices, and industrial shipping. They help streamline packing workflows by eliminating the need to stock multiple pre-formed cushioning materials while still delivering reliable protection for a wide range of products.
Using expanding foam packaging can also help reduce damage-related returns and improve overall shipping efficiency. Each pack includes clear instructions and helpful tips, making it easy for packers to activate, place, and pack with minimal training.
For optimal performance, bags should be stored and used within the recommended temperature range of 65°F to 90°F (18°C to 32°C). When used correctly, #40 Quick RT bags provide dependable cushioning while fitting efficiently inside 12x12x12 cartons.
These foam packaging bags are often used inside corrugated boxes or paired with insulated shipping coolers to add internal blocking and bracing for sensitive shipments. Their flexibility and ease of use make them a practical choice for protecting products throughout the shipping process.
Which Size Do I Need?
Quick RT Foam Packaging Bags – Size Guide
| Quick RT Size | Fits Box Size | Common Use Cases |
|---|---|---|
| #10 Quick RT | 8 x 8 x 8 | Small fragile items, electronics, components |
| #20 Quick RT | 10 x 10 x 10 | Medium-weight products, parts, boxed items |
| #40 Quick RT | 12 x 12 x 12 | Fragile or irregular products needing added cushioning |
| #60 Quick RT | 14 x 14 x 14 | Larger items, heavier shipments, specialty products |
| #80 Quick RT | 18 x 12 x 12 | Bulky or heavier items requiring increased foam coverage |
Quick RT foam packaging bags are designed to match common box sizes, making it easy to choose the right option for your shipment. Selecting the correct size ensures proper foam expansion, effective blocking and bracing, and reliable protection during transit.













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