Premium materials and construction Exterior: durable nylon Oxford cloth with reinforced stitching for everyday use. Interior: eco-friendly aluminum foil lining that is lightweight, soft and provides improved insulation. Hardware: strong carry handle and smooth zipper for reliable opening/closing. Keeps food fresh and temperature controlled Insulated design helps keep food cold or warm for about 4 hours, making it suitable for daily meals. Waterproof, leak-resistant inner lining protects the exterior and makes cleaning simple. Practical size and capacity Dimensions: 21 x 11 x 18 cm (9" x 4.5" x 7.2"). Compact but roomy enough to hold a lunch box, snacks, fruits or vegetables—ideal for packed meals without wasted space. Lightweight, portable and versatile Easy to carry by hand with the sturdy handle; folds down to fit inside a larger bag when not in use. Suitable for men, women and children as a lunch tote, picnic bag or everyday sundry bag. Use scenarios Office or work: Pack a balanced lunch and snacks for a 4-hour shift or commute; keeps meals at a safe, pleasant temperature until lunchtime. School or campus: Fits a lunchbox, drink and snack for students; lightweight for carrying in a backpack or by hand. Outdoor activities and picnics: Compact insulating bag for a short hike, park visit or day trip where you need leak-resistant, temperature-controlled storage. What makes this bag useful Combines durable exterior fabric with an insulated, waterproof interior for everyday reliability. Compact dimensions that fit standard lunch containers while remaining easy to carry or stow. Simple to clean and maintain, with a sturdy zipper and handle built for regular use.