Washable & Sewing Machine OK, Insulating/Thermal Sheet Cooling Cross Easily Sewable with a Sewing Machine Wide Width, 4-Layer Construction Size: 140cm x 100cm Cannot be combined with other items for shipping. If the other item is thin, it may be possible, so please inquire. Materials: Mesh Fabric (100% Polyester) Insulating/Thermal Sheet (Cooling/Heating Processed Polyurethane) Non-woven Fabric (100% Polyester) Wadding (100% Polyester) This is an "Insulating/Thermal Sheet" made by layering durable mesh fabric, a cooling/heating processed sheet + non-woven fabric, and polyester wadding, then quilting them together. The sheet is processed for cooling and heating to maintain warmth or coldness. Use it for insulation/thermal purposes in lunch bags, PET bottle holders, and as lining for jackets and blankets for cold protection. It has a moderate softness and thickness that makes it easy to sew with a sewing machine. It has a generous wide width. It is lightweight, so you can use it to create various items such as bags, pouches, and clothing. Machine washable (gentle cycle). We purchase pre-cut products in bags, so we cannot check the contents. If there are any defects, we will address them, so please let us know before leaving a review. #ThermalCross #CoolingFabric #CoolingCross #Leisure #LunchBox #InsulationThermal #CoolingBag