Size when Folded is Approx 15cm x 15cm (5.7" x 5.7") Comes with everything to make these Cute Christmas Cards including cards, diamonds, tray for diamonds, diamond art pen, wax square and envelopes. Peel off the plastic layer to get a very sticky surface which ensures the diamonds wont fall off and will securely stay on Easy to use: Simply press the pen into the glue square and one by one start sticking your diamonds and watch it come to life! Relaxing and Calming: Many people find diamond paintings very relaxing and calming for the mind as well as leaving you with an end product for you to admire Many Uses: Our 5D DIY diamond art card painting kits are perfect to send to family and friends this Christmas with a special personal touch