【1000 PIECE JIGSAW PUZZLE】Each piece Size: Approx 70 x 50cm/ 27.5 x 19.6inch, making them durable and easy to handle for kids of all ages.There are identification letters on the back, a poster inside, and a film on the packaging, The finished product is so nice to look at that after it’s finished you might well want to display it as a part of your household decoration. 【PRODUCT ADVANTAGES】Using non-toxic ink,white cardboard material, higher hardness and brighter color than the market coated paper. The product is punched by a high-pressure machine to ensure that the separation rate of each puzzle piece reaches more than 95%, and it is not connected.All the parts of the 1000 piece puzzles for adults that we sell are formed fitting to a premium standard from high-pressure double laminated materials, resulting in strong and sturdy parts. 【UNIQUE DESIGN】Each large puzzle piece is cut in a unique shape to provide an extra level of self check and concentration. Puzzles can effectively inspire people's thinking, train their thinking, judgment and patience. 【EDUCATIONAL】Puzzles promote hand-eye coordination, fine motor skills, problem solving, concentration shape recognition, memory, and task completion. Puzzles are also used to boost cognitive skills. 【ECO-FRIENDLY】Comes in a box made out of recycled material.Working together with family or friends to complete a puzzle can not only exercise logicality and sensory coordination. But also give you a chance to develop a closer relationship with others and create a joyful atmosphere.