Itzy RitzyTeensy Teether - Soothing Silicone Hollow Teether Features Flexible, Easy-to-Hold Handle, Hero Pop

Are these the same silicone texture as the pacifiers itsy ritzy makes? My baby only wants to chew the side or handle of her pacifier

Can be put in fridge or freezer?

Can you put these in the freezer?

Is it strong enough for a baby who's already cut teeth?