A Drying Tube is useful to put inside the folds of your knitting when it dries. They are also useful to put inside the sleeves so no folds will occur.
They are delivered flat and all you have to do is to blow them up with your own air. Super easy.
There are 2 tubes in each package.
Buy them as a hosstess gift or just for yourself. You can alway use a Drying Tube.