Simple yet extremely functional, this lunch bag made of polyester is made to keep your food fresh! Double layer lunch bag is made with insulated bottom compartment and plastic container for food! Especially designed for thermal preservation so that your lunch stays the temperature you want it to for up to 6 hours! It makes a wonderful promotional gift! Logo imprinting is welcome! All materials and accessories comply to food safety regulations! 7 1/2 x 4 3/4 x 1 1/2 inch. Colors include Black, Blue, Green, Maroon, Orange, Purple, Red, Yellow, White, Gray, Brown. Made of Polyester.