TECHNI ICE HDR 4 Ply Reusable Ice & Heat Packs 6 Sheet Special BRAND NEW $25.89 NO TAX PLUS FAST & FREE 2-DAY SHIPPING Techni Ice reusable dry ice packs / gel packs 4ply comprises of 2 non-woven textile layers, which encapsulate a specially formulated cross-linked polyacrylate polyalcohol co-polymer refrigerant combined with a post treated trade secret formula. An additional 2 heavy duty plastic layers, containing a one-way microperforation technology are bonded to the textile layers. This ensures that this new model can withstand the harshest of operational climates with performance that can only be described as revolutionary. "Re-usable dry ice?" A remarkable leap forward in ice pack technology utilising a cross-linked polyacrylate polymer that can be frozen right down to minus 190C (that's more than twice as cold as dry ice!).Techni Ice reusable dry ice packs / gel packs is often frozen in blast freezers to minus 80C when used in dry ice applications. New Techni Ice reusable dry ice packs / gel packs HDR model can be used very successfully even when frozen in domestic household freezers. Buy the latest HDR 4-Ply model. Can be reused hundreds of times! Techni Ice Stays Colder, Lasts Longer. Period! Techni Ice is the most cost effective ice replacement product on the market today! Techni Ice is also an effective heat pack for sore muscles and back pain! Techni Ice can keep a cooler cold for DAYS! SHIPPING IS ALWAYS FREE AND 2-DAY FAST!! Terms: Currently, I only ship within the U.S. lower 48 states. In the unlikely event that an item is out of stock, you will receive an immediate full refund. I cannot ship to PO Boxes. Check out this CAMPING KITCHEN! Check out my OTHER GREAT DEALS! Be sure to add me to your FAVORITES LIST! HRTB000ZOWG62