1. Product type: Insulated lunch bag 2. Product material: Oxford cloth 3. Color: Grey 4. Weight: Approximately 138 grams / 4.9 ounces 5. Product size: Approximately 25 x 27 cm / 9.8 x 10.6 inches 6. Package contents: 1 piece 7. Notes: - Due to manual measurement, a margin of error of 1 - 2 inches is allowed. Thank you for your understanding. - The monitor is uncalibrated, and the color of the item shown in the photo may vary slightly from the actual item. Please refer to the actual item. 8. 3 - millimeter thickness and aluminum foil: The lunch bag is lined with 3 - millimeter - thick food - grade Oxford cloth. The aluminum foil can keep food warm or delicious for hours. 9. Well - crafted: The opening of the lunch bag is equipped with a sticky nylon strip, which improves comfort. 10. Pocket design: There is a large pocket on the front of the lunch bag that can hold small daily necessities such as mobile phones, keys, and cards. There is also a mesh bag on the side. 11. Multi - functional: The insulated bag can be used as a daily lunch bag, grocery bag, cooler bag, shopping bag, picnic bag, and cosmetic bag. 12. Waterproof and wear - resistant: The insulated lunch bag is waterproof and wear - resistant, suitable for people of all ages, providing a good user experience.