Three sizes, you can choose according to your needs. 300 pieces ：21.5x16 in (29×40 cm) 500 pieces ：20.5x15 in (52x38 cm) 1000 pieces: 29.5 x19.7 in (75x50 cm) 2mm-thickness. This is a perfect family jigsaw puzzle, you can stay at home, complete the game with your loved ones and enjoy family time. You can also enjoy time alone, which is another way to release your mood by focusing on jigsaw puzzles. Puzzle games can effectively stimulate people's thinking, train their thinking, judgment and patience. When you finish the puzzle, it can also be used to decorate your home. If you have a picture you like, please contact us by email, and you can customize it by providing a large enough picture. The puzzle is made of environmentally friendly recycled paper composite paper. It has high hardness, is not easy to crack and deform, and has a tight interface. Each piece is perfectly snapped into the next piece, which is more suitable for long-term storage. If you have any questions, please feel free to contact us and we will provide you with a replacement product or a full refund.