Difficult Jigsaw Puzzles 1000 Pieces Abstract Black and White Pattern Puzzles Challenge for Adults

-Abstract black and white pattern, BIG challenge for puzzle lovers!

-Made of recycled paper cardboard, sturdy, thick and not easy to bend. Each Pieces are bigger than your finger. Compared with other puzzles, it is not easy to fall and tear. It is recommended to save it as a collectible or used as a home decoration.

- There is no letters marked on the back side area, so it's big challenge for puzzle lovers

-Completed sizes is 28 x 20 inches(70 x 50cm)