One shoulder ice pack/picnic bag/Portable bag

One shoulder ice pack/picnic bag/Portable bag
An outdoor thermal ice pack is a bag that can keep hot and cold, suitable for outdoor activities that need to maintain the temperature of food or drinks. It is usually made of durable materials and filled with insulation material, which can effectively maintain the temperature of food or drink. Outdoor insulated ice packs are waterproof and durable, can be used in outdoor environments, and can be reused many times. It is an essential item for outdoor sports, picnics, camping and other activities to keep food fresh and warm, providing a convenient and comfortable outdoor dining experience.