Thank you for viewing! This is a cooler bag with excellent insulation to keep food fresh. It's perfect for grocery shopping, picnics, camping, barbecues, and other outdoor activities. The interior has a three-layer structure (non-woven fabric, PE foam insulation, and aluminum lining) with a heat-reflective aluminum lining and PE foam insulation, preventing heat from entering from the outside and keeping the inside cold (or warm) for a long time. It's foldable and can be stored compactly, making it convenient to carry. Product Condition: Brand new, unused. Product Details: Product Name: Cooler Bag (also as an eco-bag, cooler bag) Color: Black Size: Approximately Width 41cm x Depth 23cm x Height 33cm Capacity: Approximately 35L Materials: Non-woven fabric, PE foam insulation, aluminum lining Features: Large capacity, lightweight, foldable, with zipper, thermal insulation/cooling function [Please confirm before purchase] This is an overseas product. Compared to Japanese products, it has the following characteristics, so please understand this before purchasing. About sewing/construction: Loose seams, loose threads, slight deviations or distortions, and the absence of tags may occur. About inspection: Please refrain from purchasing if you are looking for perfect quality like Japanese products or if you are sensitive to details. We inspect each item, but there is a possibility of overlooking something. About color: The actual product may look different in color and texture depending on your monitor environment. About odor: A unique odor from the manufacturing process may remain. It will fade over time, but please refrain from purchasing if you are concerned. About size: The size notation is an estimate. Due to overseas products, there may be slight variations (approximately 1-3cm) depending on the product. To prevent trouble, please understand the above and only purchase if you are satisfied with overseas products.