A super soft Micro-Fleece WARMER for your whole Body! Radiating heat around your waist warms your CORE body. Fabulous for back aches, pains and cramps too. Use as many Hot Packs as you need to customize your level of heat! Sizes are adjustable to fit you perfectly. Two-toned fleece is reversible, machine washable and quick to dry. Tucks into a single compact pocket for storing. Comes with two hot packets.