Material: 600D Polyester Large capacity design with heat and cold insulation; features a large interior space, sturdy handle, dirt-resistant and easy to wipe surface, and water-resistant construction. Lightweight and portable with a fresh, design; combines fashionable patterns with simple shapes for easy carrying and convenience. Ideal for both work and school use. Stable interior holds bento boxes and fruits securely, helping preserve freshness and enhance meal enjoyment. Versatile usage as a lunch bag, picnic bag, utility bag, or shopping bag. Suitable for refrigeration to keep food fresh and delicious; maintains freshness longer when used with ice packs. Ideal for use in both summer and winter seasons. Hand wash recommended. Do not soak for extended periods. Do not bleach. Washing water temperature should not exceed 45°C. Size measurements may vary by 1-2cm due to different measuring methods; this is considered normal. Image shown is for reference only. Actual product may vary slightly due to production batch differences, machinery, and other objective factors. Minor variations in color, position, or size may occur and are considered normal; these are not covered under after-sales service.