Balvi Kitty Calico Thermal Bag Color White and Brown Calms muscle aches and injuries Polyester. PRACTICAL - The cover is removable so you can easily wash it without damaging the inner bag. EASY TO USE - Put it in the freezer or heat it in the microwave for as long as indicated and apply to the affected area. THERAPEUTIC - Its sustainable cherry seed filling combats inflammation and reduces pain. IDEAL GIFT - It is perfect for athletes or people who suffer from... PRACTICAL - The cover is removable so you can easily wash it without damaging the inner bag. EASY TO USE - Put it in the freezer or heat it in the microwave for as long as indicated and apply to the affected area. THERAPEUTIC - Its sustainable cherry seed filling combats inflammation and reduces pain. IDEAL GIFT - Perfect for athletes or people who suffer from muscle or abdominal pain. Measures: 25x22x5 cm - Material: polyester - Design: Balvi