Terry cover for standard ThermalCore. Thermal Core Terry Covers ensure patient safety and maximum effectiveness when using Thermal Core Packs. Placing Thermal Core Packs in protective cover allows professionals to vary the heat intensity by adding or removing layers of insulation. Machine Washable. Do not bleach. Fasten hook and loop closures together before laundering. Avoid extreme drying heat. Avoid ironing so the Terry Cloth contains its fluffiness. NOTE: Thermal Core Pack NOT included.