Chillin Brew panels can keep beer at the perfect drinking temperature, longer than ice. Powered by a non-toxic, biodegradable active ingredient, these panels freeze at 28 degree F., just above the temperature beer would freeze. Add a panel or 2 to ice to keep it frozen 50% longer. Place panels in freezer for 6 to 10 hours or frozen solid. Place in cooler with pre-chilled beer panels for best return results. to freezer to recharge, Active ingredient will not wear out from repeated use. No. 1208: Capacity: 0.75 lb, Material: PureTemp Phase Change Material, Dimensions: 4.25" W x 6.25" L x 1.25" D, Pkg Qty: 1 No. 1209: Capacity: 1.5 lb, Material: PureTemp Phase Change Material, Dimensions: 6.75" W x 7.75" L x 1.25 " D, Pkg Qty: 1 No. 1210: Capacity: 2.5 lb, Material: PureTemp Phase Change Material, Dimensions: 7.5" W x 9.5" L x 1.25" D, Pkg Qty: 1 No. 1211: Capacity: 5 lb, Material: PureTemp Phase Change Material, Dimensions: 8.661" W x 10.925" L x 1.925" L 85" D, P kg Qty: 1 ---- 1. It is imported from overseas, so even if it is new, the packaging may be slightly damaged, but please rest assured that this does not affect the product itself. 2. Product warranty and other products made in Japan are not applicable. 3. Packaging and instructions are in English.