Cats can shrink into boxes because their bones are very small and there are many bones, so their bodies are very soft and they can flexibly get into boxes smaller than themselves without getting stuck, just like liquid; cats The skin is also very stretchy, so it will allow the cat to retract into the box more flexibly and conveniently without straining the skin.
Tip:
If the cat is overweight or the opening of the box is much smaller than the cat’s head, the cat may also get stuck.