SPONGBOB WARMIES.Warm: Heat in a microwave for 60 to 90 seconds. Enjoy soothing warmth for up to 2 hours. Reheat only when at room temperature.Cool: Place in a sealed freezer bag and freeze for 2–3 hours for cooling relief.Care: Surface clean with a damp cloth only—do not machine wash or immerse in water as this will harm the filling material.Materials: Filled with organic materials and dried French lavender.Microwavable for warmthWeighted to relieve stressFilled with natural grains & French lavenderChild safe design meets all U.S. safety standardsPromotes easier bedtimes & better quality sleep