Small Signs 400mm x 300mm $25.00 This is a one (1) Colour Lettering on your Sign. After you have chosen your lettering design, we will cut it. The maximum height for the lettering is 400mm or 300mm. The maximum width of the whole lettering is 300mm or 400mm. 10 in stock Comments Enter additional comments here. Quantity — OR — Add to cart Description Description Create your own custom vinyl sign design and we will cut it and apply it to a 400mm x 300 mm ACM sign for you. Add any text you like, and your choice of arrows or graphic, we will make it and get it in the post to you asap. Edit or remove any areas of your sign.