Realistic vector blank white letter paper C4 envelope front view. A4 C4, A5 C5, A3 C3 template on gray background - stock vector. Stock Vector | Adobe Stock
C4 Envelope Mockup Graphic by shaikerintu · Creative Fabrica
Envelope Template With International, Euro Standard Sizes C6, C5, C4, C3 For Folded A4, A5 Paper With Cut Lines. Vector Illustration Royalty Free SVG, Cliparts, Vectors, And Stock Illustration. Image 109808443.