This charming lunch bag is made with certified 100% organic cotton and is crafted from food-safe, BPA-free and water-resistant polyester lining. Lined but not insulated, the water-resistant lining works well with an ice pack, if desired. Machine wash warm, delicate cycle. Air dry. Measures 11 x 8 x 4.5 in.Measures 11 x 8 x 4.5 in.