Nice Combination: which fit a variety of envelopes, cards and other writing surfaces, can satisfy your needs Straight Line Stencil: the calligraphy ruler guide is designed with a measuring scale of about 28cm/11 inches, can draw 30 lines of about 16 cm/6.3 inches; The spacing line is about 0.9 cm, which is enough to allow using medium nib and pen to move easily and draw straight lines Practical Writing Tool: the letter addressing template can be placed accurately and evenly right on the envelope, with proper line spacing, to help center addresses and keep your letters the same size; You can easiy DIY your name, address, zip code, greeting and so on Use with Confidence: the envelope template is made of quality plastic material, translucent and accurate, without blocking your vision while writing, sturdy and reliable, not easy to break or deform, can be and applied for a long time Widely Applicable: the stencil for addressing envelopes can be widely applied for calligraphy, postcards, wedding invitations, diaries, envelope addresses, letters, college, greeting cards, handwriting designs, journaling, scrapbooking, making ruled paper and more Color: Transparent Material: plastic Package Contents: 1 * Straight Line Stencil 4 pieces * letter address stencils in 4 different styles Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.