Come and Check Our Promo Solutions.Made of high quality polyester, sturdy and durable. Multifunctional Use: Can be used as a picnic bag, shopping bag, shopping bag, etc. Large capacity, cold and heat preservation: it can be put into the refrigerator to ensure the freshness and taste of the food. After freezing with an ice pack, the taste is better and the freshness time is longer. Pls check inventory and detailed info with us before placing your orders.