Size:23*18*17cm [High-quality Aluminum Foil and Metal Zipper]: Four-layer thickening design, the first layer of 600D waterproof Oxford cloth, the second layer of 5mm insulation pearl cotton, the third layer of anti-friction nylon cloth, and the fourth layer of reinforced fresh-keeping aluminum foil. The temperature is effectively locked, allowing you to enjoy the freshness. The high-quality metal zipper is smoother to use, and you can easily put food in the lunch bag. [Reasonable Design]: There are handles on both sides of the lunch bag. The handles are reinforced and thickened so that your hands will not be cut. There is a small pocket on the front, where you can put some small items. The peripheral stitching is very delicate and the workmanship is fine. [Standard Capacity]: Size - about 6L capacity, can be put in lunch bags, fruits, snacks, etc., even if the size is not large, it can also meet normal needs. The small lunch bag is easy to carry. [Wide Use]: When you go to work, travel, camping, this lunch bag can meet your dietary needs. We have a variety of styles and sizes, you can buy them according to your needs. Simple design, stylish appearance, I think it will be a perfect gift.