B&';ICE&';N Blox - 3.5 lb Freezer Pack The Science of Staying Cool, PerfectedThe mad scientists at Bison Coolers have done it again-introducing the B&';ICE&';N BLOX, the ultimate ice companion and alternative engineered to maximize your cooler&';s freezing power. (Get it? B&';ICE&';N? ) Designed to seamlessly fit our rugged hard coolers and SoftPak series, the B&';ICE&';N BLOX keeps your drinks colder, longer. Perfect Fit, Every Timea Fits two side by side in Bison&';s 50QT and larger coolers.a Snugly sits at the bottom of our bear-proof 25QT cooler.a A versatile companion for soft coolers, road trips, tailgating, and all your outdoor adventures. Why Choose B&';ICE&';N BLOX?Say goodbye to soggy food and melted ice disasters. The B&';ICE&';N BLOX is reusable, durable, and crafted to outlasttraditional ice packs. Use it alongside regular ice to supercharge freezing performance, or on its own for low-maintenance cooling.