What do you call those little round rubber things in door jambs?
Those things are used to prevent the door from hitting the jamb. It's kind of like a little round bumper.
What do you call those little round rubber things in door jambs
terminology
Related Solutions
O-rings are typically made from a firmer rubber than a rubber band. They will stretch but not as much. They come in all sizes, so you're going to have a shopping quest ahead of you, but "O-ring" is probably the best search term for you.
From http://architecturaltrust.org:
Double Doors
Two adjacent doors that share the same door frame, and between which there is no separating vertical member. Double doors are often referred to as “French doors”, due to their preponderance in French architecture.
Best Answer
I don't know if this is the "official" name, but if you search online for "Cabinet Bumper", I believe you will find exactly the item you are looking for. So it could be assumed that is what they are called - you already answered your own question. Some alternative names I saw: