Start by applying a thin layer of Mod Podge to the entire length of one side of the vase Carefully place the napkin on the vase, forming the edge onto the bottom. Gently press and form the napkin to the shape of the vase. Rotate the vase repeating this process so that the entire vase is covered. Trim any excess napkin that overhangs the vase
Allow the vase to fully dry. Then apply another layer of the Mod Podges and allow that layer to dry. You can apply another layer of the Mod Podge as needed