Pyrex 1122295 Large Cold/Hot Pack (2-Pack) Description The Pyrex Hot/Cold Unipack was designed for the Portables line of Pyrex products where either heat or cold is required. This pack can be either microwaved or frozen. There are many other applications of this product such as for use in lunch boxes or bags. Since they are flexible they will fit many needs. Features: Genuine Pyrex hot/cold pack product Store in the Freezer or Heat in the Microwave Freeze and Reheat as Many Times as Needed Size: 11" x 7" x 0.50" (Large) Included: (2) Pyrex Large Portable Hot & Cold Pack 11" x 7" Product Details: Brand: Pyrex Age Range (Description): Adult Number of Items: 2 Unit Count: 2.00 Count Special Feature: Portable, Flexible Product Dimensions: 11 x 7.25 x 1 inches Item Weight: 2.9 pounds Manufacturer: Pyrex Item model number: 1081011 Is Discontinued By Manufacturer: No Volume: 48 Fluid Ounces Maximum recommended load: 3.3 Pounds Batteries required: No