Customize these DIY puzzle blanks with paint, markers, and stencils to create one-of-a-kind art. Our jigsaw puzzles measure 16 x 11 inches, perfect for printing and customizing. You can use sublimation to create personalized puzzles for your coworker, friend, or loved one for an upcoming Christmas, birthday party, or gift exchange. Print on your favorite photos, images, or patterns. This pack features 15 sheets, each featuring 300 sublimation puzzle blanks to write on. Please note this product is not intended for children; product for heat thermal transfer customization.