Instantly produce your own moulded bespoke foam fittings with these foam bags. Filled with expanding foam, these pouches area easily activated to expand to cover every inch of your product in its packaging. The result is bespoke foam fittings that exactly mirror your product. Not sure which size to get? Take a look at this variety pack, offering three bags of each of our 5 Instapak sizes, to ensure your choice is perfect for your customers.