For transportation, it can be used not only as a handheld, but also as a shoulder bag with the included strap.You can also adjust the shoulder straps.The whole ice pack is very finely crafted and has a flat line that can be cleaned throughout.Use double zippers for all practicality. A convenient insulated bag that can be used for a variety of occasions such as school, office, travel, picnic, flower viewing, athletic meets, outdoor activities, etc.Suitable for both summer and winter.