Features:1：Easy to fold, fast storage, save space and easy to carry.2：Double-layer aluminum film design, strong thermal insulation and good thermal insulation performance.3：Hand-held plus cotton, comfortable to feel, strong and durable, strong load-bearing.4：Waterproof and moisture proof, easy to clean, washable and easy to dry.Specification:Material:NylonSeason: Spring, Summer, Fall, Winter.Package Included:1 xLunch Bag.Size Charts:Width * Height=18*21cm/7.09*8.27inch.Please Note:1. Please allow 1-3cm error due tomanual measurement.2. Please understand that colors mayexist chromatic aberration. Thanks for understanding!