YiKaiSu Waterproof Oxford Cloth Lunch Bag Tote Bag Insulated Lunch Bag Travel Casual bag Picnic Bag Navy Blue Good quality, feel comfortable Heat retaining time: about 2-3 hours (more calories of food, the longer holding time. Also depending on the outside temperature. ) Suitable for different ages the whole body bags look very cute, stylish, compact but large enough capacity Size: L 8.6* H 7.5 * W 5.1 IN