100% azuki bean thermal support. To offer the product at a lower price, please understand that we will ship the product without the box (the box will be flattened). - Product Name: Azuki no Chikara (The Power of Azuki Beans) - Number of Uses: 250 times - Material: 100% azuki beans - How to Use: Tie, press, and place - Size: Approximately 40cm x 33cm - Heating Method: About 1 minute at 500W, about 40 seconds at 600W Thank you for viewing.