This is The BB-8 Back Buddy
The new droid BB-8 from Star Wars: The Force Awakens is already a huge hit with fans, and that fandom is going to grow even more after the movie is released. It now comes in backpack form from Entertainment Earth. It’s called the BB-8 Back Buddy, and this is the product description:
The Star Wars BB-8 Back Buddy can do it all! The little droid has performed many functions throughout his career, but now he's ready to help carry your goodies around. The Star Wars: Episode VII - The Force Awakens BB-8 Back Buddy is a necessity for your Star Wars: Episode VII - The Force Awakens collection. Measures about 18-inches tall. Bring home your little friend today! Ages 3 and up.
If you want to buy yourself one, click here. It will cost you $44.99.