They're curtains for Zoosha. An alternative to Poob (which is now on Pheebo).

EDIT: sorry I felt too bad not to leave an explanation

https://knowyourmeme.com/memes/curtains-for-zoosha

https://knowyourmeme.com/memes/poob-has-it-for-you

Thanks for combobulating. I used to use Hackysack but I switched to Phlegm after the Unhappy Kittens controversy.