Microwave Raccoon Freezable Cool Weighted Stuffed Animal Heating Pad FDMGEL Microwave Heating Pad for Headache Relief Hat, Migraine Head Heat Pack Organic Flax and Rice Microwave Heating Pad Etsy Top 10 Best Arctic Zone Lava Seat : Reviews & Buying Guide Katynel Amazon.com: Microwave Heating Pads for Pain Relief Heat Packs. Brand: SunnyBay Color: Navy Blue Features: Drug free Whole Body Relief: Theres no limit to the uses of our lava sand microwavable heating pad. For neck, shoulder, and back pain, period cramps, joint stiffness, or cysts, use warm over the affected areas. Use frozen for sports injuries, swelling, or acute pain. Melt away stress, ease tense muscles, and warm cold feet you get the idea! Dual Hot Cold Action: Thanks to lava sands excellent responsiveness to hot and cold, and the soothing comfort of organic cotton fabric, you can use the sand bag as an ice pack as well as a back, neck, and shoulder heating pad. Microwavable and freezable, its ready within 1. 5 to 2. 5 minutes in the microwave or after a couple of hours in the freezer Soothing 4 pound Weight: Combining the healing effects of compression and thermotherapy, our heat pack has a penetrative effect that targets structures deep under your skin. The dense weight provides pressure to aching body parts, aiming for instant relief while boosting permanent recovery. Superior Heat Retention: Ultra rare locally mined lava sand filling from Utah, USA, makes our hot pack for pain relief stand out from the rest. Releasing heat much slower and for longer than traditional filling materials once microwaved, its lasting action is complemented by the stitched chamber design that keeps the sand in place for even heat distribution. Life Time & Convenient Design: Easy to use, maintain, and carry, with the 8x12 inch dimensions providing enough coverage without adding unnecessary bulk, our warm compress can be used on the go. To clean, wash by hand or in the top rack of your dishwasher. The lava sand will last you a lifetime.