When liquids inside the packets are mixed, a fully recyclable, shock-absorbent foam barrier is instantly formed to protect virtually any object. Available in five sizes (The largest can cover an area up to 20" x 30") the foam will fit a wide variety of Pelican Protector Case models (From 1300 to 1780). Additionally, the Instapak can work in conjunction with Pelican's Pick 'N' Pluck™ foam which comes standard in most models.