8 Cards with Envelopes. Watercolor Greeting Cards – 5″ x 6-7/8″. KDKB207. Make your own embroidered cards! These 5″ x 6-7/8″ Watercolor Cards from Kimberbell are made from a premium watercolor paper that is suitable for stitching as well as drawing and blending with watercolour pencils. Add shading and other effects to your embroidery! Set includes eight cards and eight envelopes.