Sunflowers insulated lunch bag has hook and loop closure. Fabric is 70% organic cotton and 30% linen. Bag measures 8" high, 7.5" wide and 4" deep without the strap. Strap is knotted at the top and can be untied to open or clean the bag. Sunflowers snack bag has hook and loop closure and measures 3.5" high x 6.5" wide. Sunflowers sandwich bag has hook and loop closure and measures 6.75" high x 6.5" wide. Care: wash in cold and hang to dry