Disposable body warmers, usable for 24 hours, with a maximum temperature of 70°C and an average of 55°C, providing warmth. - Temperature: 70°C - Average Temperature: 55°C - Size: 130mm x 95mm - Quantity: 23 pieces - Expiration Date: 2028.4 I mistakenly bought these at an Aeon Mall last year, thinking they were the adhesive type. I've used a few, but I probably won't use them all, so if anyone wants them, please let me know.