Kraft paper bowl safe for take away food ?

Do you think Kraft paper bowl safe for take away food or they are Leak Proof or not ? now let see the bellow pictures:

1.Food Safe & Eco-Friendly:Our kraft paper bowl with lids are made of 100% food grade thick kraft paper material,environmentally friendly,recyclable,durable and sturdy enough without bending or collapsing easily. These kraft paper food bowls are a great alternative to plastic cups.
2.Leak Proof and No Mess:The Paper Soup Bowl with paper lids come with 2 tiny holes allowing steam to discharge and avoid cups expanding when hold hot liquids or food. Our soup paper bowl is designed with quality double PE coating to prevent liquids from seeping out.

3.Easy to Identify or Personalize:Easy to write the name on these kraft paper bowls with marker or pens for identification in the freezer,and add your logo or labels on the cups to personalize them for commercial use.

4.For Hot & Cold Foods:Our kraft soup bowls can hold both hot and cold foods safely when transport,stackable to save space. These food containers with lids can be used as take out/ to-go containers for delivery,deli,restaurant,cafe,travel and home use.

The fact that it's lightweight while still being somewhat sturdy means that it can keep the contents of a box safe from thrashing around inside. Being durable, kraft paper is a great addition to your packaging supplies, but it's also great at wrapping products to protect them.
What is kraft made of?
Like all paper, Kraft Paper is made from wood which is a renewable natural resource. The paper is made using the Kraft Process which involves converting wood into wood pulp
Where is kraft paper used?
Due to its strength and sturdiness, Kraft Paper is used for several industrial and commercial purposes. The material is used in packaging applications for packing, wrapping individual products, bundling and void fill. Also, Kraft paper can be utilized as load binders between layers of palatalized products