Closure Type: Zipper.Protective Qualities: Water resistant.Material: Fine Beads Canvas + Aluminum Film.Dimensions (Overall): 9.5 inches (H) x 3.5 inches (W) x 10.5 inches (D).FEATURE1. Large Storage Space:This thermal tote is great for packing large amounts of food, even could contain the whole day food that you need to school & work.2. Wide Open Design:Lightweight lunch bag fully wide open design and seamless one-piece aluminum lining make this insulated lunch box are easy to clean. Cleans up easily with soap and water.3. Piping sewing technology:High quality material and exquisite sewing make this cooler bag durable, shape with round edge form a formal but cute bag, you will get lots of complaints by carrying it.4. 5 extra layers of food protection:EPE Cthe 3mm aluminum clad laminated expandable polyethylene layer is here to keep your food or drinks at the optimal temperature for 5 hours.5. Keep You Health:Each fabric is carefully selected in order to keep your food safe. The inner lining is 100% food-grade,so you can place your delicious snacks in the bag without any fear.