The Nortech Lab Therma-Kool Hot / Cold Pack, Microwave / Freezer, 6 x 9 Inch, Polyethylene Laminate / Gel, Without Securing Method, Reusable, Knee / Shoulder, 1 Count is an at home health product designed to provide superior comfort and functionality. The Nortech Lab Therma-Kool Hot / Cold Packs are available at Honest Medical and ship for a low cost. We carry Nortech Lab Therma-Kool Hot / Cold Packs in multiple warehouses across the nation to reach most customers in 2-3 business days.