Size: 3pcs, 5.7 x 4.5 inch. 1pcs, 4.5 x 8.7 inchWide applications: multi-purpose writing guide, best envelopes, thank-you cards, Valentine's Day, Mother's Day, wedding party invitations, Christmas cards, handwritten designs, bullet diaries, plans, notebooks, greetingsCompatible with any type of wiring tool including brush pens and gel penThe 4pcs 4Style envelope addressing guide stencil templates are economical and functional. It accurate placement on any greeting card, envelope, postcards, addresses, boxes, etc.Fits a wide range of envelopes including square, A7, A6, and 4 Bar sizesMaterial: PPThe set have 4 different design style, fit more size envelopes 3pcs is 5.7 x 4.5 inch ,fit C6, B6, , ZL, C5 sizes letters, 1pcs is 4.5 x 8.7 inch, fit , ZL, C5 sizes lettersColor:As pictures4 x Envelope Guide StencilThe considerate ordinate, lines, rows and dots, Stencil templates for drawing art fonts, guiding letters, keeping rows beautiful and straight