Answer:
What is given but kept by the giver?
What an fill a room but takes up no space?
Gets rid of bad ones, short and tall. Tightens when used, one size fits all.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?
This thing runs but cannot walk, sometimes sings but never talks. Lacks arms, has handsอพ lacks a head but has a face.
If itโs information you seek, come and see me. If itโs pairs of letters you need, I have consecutively three. What am I?