Our stainless steel snack containers are super easy to use. When in use, the four corners and edges of the cover need to be fully pressed to completely sealed to that the liquid not leak or overflow. Reusable stainless steel containers replace plastic containers. Stainless steel is more and than plastic. For the sake of the environment, let's say goodbye to plastic. Package includes 3 stainless steel food containers with lids (6oz/180ml), which are versatile and easy to carry. Perfect size for nuts, fruit, small snacks, yogurt, vegetables, candy and more. Small snack container with lid made of food grade silicone and high quality 18/8 stainless steel. free, non- and safe. Dishwasher safe and freezer safe. These snack lunch containers are a must have for every home work, travel, picnic and more.