The lining of an adult lunch bag is made of thickened Water-Resistant aluminum foil,with three layers of insulation,good insulation performance, sturdy and leak proof;The exterior of the women lunch bag is made of high-density Durable fabrics .
For your safety, these large lunch box women are made with no PVC, BPA, phthalate. Rest assured, you'll be equipped with family-safe, eco-friendly materials including leakproof aluminum inner lining to protect you from leaks or spills.
