lunch box insulated lunch bag for men women, leakproof thermal reusable lunch tote for adult, lunch cooler for office work outdoor picnic by soundance, white soundance the shell is made of polyurethanes pu leather which is damp-proof, waterproof and dirt-resistant, so it is easy to wipe clean with a rag! aluminum clad laminated expandable polyethylene layer is here to keep your food or drinks at the optimal temperature for hours. the aluminum will ensure a high level of insulation and durability! the inner lining made of aluminum foils is eco-friendly and food safe, also wipes clean easily, offer you great thermal resistance, keeps the food fresh and warm/cold. the dimensions in 9 x5.9 x7.8 inches. it is spacious enough for a one-person-meal. we take your health and well-being very seriously. that’s why we have designed this durable, safe and protective insulated lunch bag, to make your life healthy and easy!