Glass Baby Food Storage Reusable Baby Food Glass Containers with Airtight Lids Safely Freeze 6 PACKS;

   glass containers allow fresh fruit and snacks to be packed and sent in any size lunch box,These round containers are safest and easiest way to store your home made baby food and fruits. The leak proof silicone seals ensure that you can drop them in your bag with no spills.
   But you can not  heat the baby food storage containers in a microwave, oven, yogurt machine, steamer, pressure cooker heating or baby bottle warmer.
You can not take the container jars out of the freezer and heat it directly into hot water.
Special Attention:
  These glass jar containers can withstand temperatures ranging from -20℃ to +110℃
  Avoid sudden temperature changes，just being sure to let the glass adjust before transitioning from one extreme temperature to another.