Why Single-Sided Coloring Books Are Worth the Extra Pages 

Bleed-through ruins more coloring pages than any other issue. Here's why single-sided coloring books solve it — and why it's worth paying for. 

If you've spent any time reading reviews of adult coloring books, you've noticed a pattern: one complaint shows up more often than any other. Bleed-through — ink, marker, or heavy pencil pigment soaking through the page and ruining the illustration on the back — is the single most common frustration colorists report, and it's almost always tied to one design choice: double-sided printing.

Why Bleed-Through Happens in the First Place

Most standard printer paper and even many coloring book stocks are thin enough that markers, gel pens, and even heavily layered pencil work can show through to the other side. When a book is printed double-sided to save on page count and production cost, that bleed-through doesn't just look messy — it can ruin an illustration you haven't even started yet.

This is especially frustrating with realistic, detailed coloring styles, which often require more layering and pencil pressure than simple cartoon designs to achieve proper shading and depth.

Why Single-Sided Pages Solve the Problem Directly

A single-sided coloring book prints on only one side of each sheet, leaving the back completely blank. There's no artwork behind the page to damage, no matter how much pressure or how many layers you use. It's a simple fix, but it's one that a surprising number of coloring books skip in order to fit more designs into a lower page count.

The trade-off is that a single-sided book needs roughly twice the paper to offer the same number of illustrations as a double-sided one — which is part of why thoughtfully made single-sided books tend to be priced slightly higher, or built with a page count that reflects the extra paper used.

What to Check Before You Buy

If bleed-through has ruined a coloring book for you before, a few things are worth checking before your next purchase:

• Look for "single-sided" explicitly mentioned in the product description. Sellers who've solved this problem tend to highlight it, because it directly answers the most common complaint in the category.

• Check the paper weight if it's listed. Heavier paper (generally above 60lb/90gsm) resists bleed-through better even before considering single- vs. double-sided printing.

• Read a few recent reviews specifically for mentions of bleed-through, since it's one of the most commonly reported issues across the category.

Built Around This Exact Problem

When we designed Cozy Companions, solving bleed-through was one of the starting requirements, not an afterthought. All 60 pages are printed single-sided, so you can use markers, gel pens, or heavily layered pencil work without worrying about damaging the illustration behind it.

[See the full single-sided collection at Coloring Storix →]