The R&R Rexipearl Cold/Hot Pack is a versatile therapeutic pack measuring 28*6 inches that can be used for both cold and heat therapy. Its pearl bead filling provides flexible and even temperature distribution while conforming comfortably to body contours. Key features: • Large size (28*6 inches) for covering bigger areas • Can be used for both cold and hot therapy • Filled with pearl beads for even temperature distribution • Flexible design that conforms to body contours • Reusable and durable construction • Leak-proof sealed design The pack can be chilled in the freezer for cold therapy or heated in the microwave for warm therapy applications. For cold therapy, place in freezer for 2 hours before use. For heat therapy, warm in microwave in short intervals. Always use a cloth barrier between the pack and skin. Do not exceed 20 minutes of continuous application. Allow skin to return to normal temperature between uses.