Used once at the end of last month, June 24, 2025. (Heat regeneration: 0 times) Stored in a cool, dark place. I purchased three bags, and I'm offering two of them as I won't be using them. They originally contained 1 kg, but as you can see in the photo, I've put in a little extra. To save on shipping costs, I will take them out of the original bags and put them in a Ziploc bag for shipping, as shown in the second photo. (The original bags are also included.) This is a reusable desiccant for dried flowers from Toyoda Kako. It can be regenerated using a pot or frying pan that is not used for cooking. I removed the silica gel through a strainer, but I may have missed some small particles. Thank you for your understanding. It would be fun to try making dried flowers with your children during summer vacation! Please feel free to ask any questions in the comments. Thank you. m(_ _)m