The exterior is constructed out of water-resistant Oxford fabric for durability and water proofing and easy cleaning. Zipper closure design, easily open the bag. High quality aluminum foil lining offers great thermal resistance which keeps the food fresh and warm/cold. Type:Lunch Bags Size: about 24x14x17cm / 9.45x5.51x6.69'' Color: Purple, Wine Red, Dark Green, Blue, Grey Occasion:School, Workplace, Picnic, Beach ,BBQ,Kitchen. Ideal for storing foods to bring to school, workplace, picnic, beach and BBQ. 100%Brand New and High Quality Material: Oxford Fabric Great for maintaining cold drinks or ice pack temperatures at the gym or in the car. Can be kept for 4 hours and can be kept cold for 6 hours. Package Include:1 x Lunch Bag Note: 1.Due to the light and monitors effect, colors may have lightly difference. 2.Please allow slightly size errors due to manual measurement. Thank you for your understand! 3.1cm=0.39''.