This type of set is designed to help babies and toddlers learn to self-feed and make mealtimes easier and safer.
The specific set shown in the image includes several items:
A silicone bib
A baby plate
Bowls
A sippy cup
Spoon and fork utensils
These products are often made from food-safe, BPA-free silicone and are designed with ergonomic features suitable for young children.