tektalk 500 piece puzzle jigsaw puzzle for teens & adults (outer space) tektalk <b>material: </b>cardboard.<br> <b>thickness: </b>2.1mm.<br> <b>finished size: </b>20.47 × 14.96in / 52 × 38cm<br> <b>package size: </b>9.06 × 6.3 ×1.97in (23 × 16 × 5cm).<br> <b>weight: </b>1.1lbs (0.5kg).<br> <b>applicable occasions:</b>christmas, new year, birthday, thanksgiving. <br><br> <b>missing pieces & quality support:</b> in case there are any missing pieces or other issues concerning product quality, please feel free to contact our customer service for a replacement.