The Studio Light Tree Envelope Stencil, from the Christmas Essentials collection, allows you to create your own holiday envelopes. The finished envelope measures approximately 4.5 x 6.2 inches, designed to fit a 4.13 x 5.83-inch card. Simply trace the stencil, score the lines, and cut out the shape. You can also create matting layers for added customization. Directions are provided on the back of the packaging.