All Guides
PVC Sticker Printing Explained
PVC (vinyl) sticker printing: durability, waterproofing, finishes and uses. Order custom PVC/vinyl stickers at 4OVER4.
Real Estate Investor Marketing That Fills Your Pipeline With Motivated Sellers
The definitive 2026 guide to real estate investor marketing: yellow letters, postcards, and lists. Print every piece at 4OVER4.
Real Estate Sign Sizes Explained: Standard Dimensions, Uses, and Best Locations
Standard real-estate sign sizes (yard, rider, open-house, for-sale) with a dimensions table and post fits, then order yard signs and A-frames from 4OVER4.
The Realtor Guide to Open House Directional Signs That Convert
How many open-house directional signs you need, where to place them and which accessories help. Order coroplast and yard signs at 4OVER4.
Refrigerator Magnet Sizes and How to Use Them
The 5 best refrigerator magnet sizes and what each is for, with design tips, then order custom promo magnets that stick your brand to the fridge at 4OVER4.
Restaurant Signage Guide for Wall, Door, and Window
Plan restaurant signage across wall, door, and window with materials and placement tips, then print durable signs at 4OVER4.
Rich Black Explained and the CMYK Recipe for Deep Solid Blacks
Rich black is all four CMYK inks, commonly C60 M40 Y40 K100. The build, when to use it, and the file setup that keeps big blacks deep and clean.
Serif vs Sans Serif: Which Font Fits Your Brand?
Understand serif vs sans serif fonts and when to use each for your brand and print. 4OVER4 explains readability, mood, and pairing so your design lands.
What Slippery When Wet Signs Mean And Where They Are Required
What the slippery-road / slippery-when-wet sign means and where it's required, then order durable safety signs from 4OVER4.
Standard A-Frame Sign Sizes: A Complete Guide
The two real A-frame standards (24x36 and 18x24) with visibility distances, venue fits and design tips, then order same-day A-frame signs from 4OVER4.
Standard Card Sizes for Greeting, Business, and Post Cards
The standard greeting card size in inches is 5 x 7 folded, beside 3.5 x 2 business cards, 4 x 6 postcards and 5 x 7 invitations. One chart, every card.
Standard Memo and Notepad Sizes: Use Case Guide
Note pad sizes run 4 x 6 in for a pocket, 5.5 x 8.5 in for a desk and 8.5 x 11 in for meetings. Match the size to where the pad will live.
