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Amazon A+ Content Dimensions Category Mobile Checklist

A practical A+ Content checklist that connects image dimensions, mobile readability, and category-specific module standards before sellers design assets.

April 19, 2026About 5 min read

Amazon A+ Content Dimensions Category Mobile Checklist

Sellers searching for amazon a+ content dimensions usually want to avoid rework. The obvious fear is that a banner, comparison image, or feature module will be rejected or cropped. The quieter problem is worse: the asset uploads successfully, but the live PDP feels crowded, mis-sequenced, or unreadable on mobile.

This page now treats dimensions as one part of a production checklist. The more useful question is how each A+ module should be sized, simplified, and adapted to the product category before design starts.

Quick Answer

Amazon A+ Content dimensions should be planned with module type, safe crop area, mobile readability, product category, and claim support in mind. Exact upload requirements can change by module inside Seller Central, so sellers should use planning sizes for production and still confirm the final requirement in the upload window.

The strongest A+ module set is not the one with the most graphics. It is the one where every image stays readable after compression, every claim is tied to product facts, and every category-specific detail remains visible on desktop and mobile.

Amazon A plus Content module checklist showing module job, crop safety, mobile readability, claim proof, sequence, and reuse value
Dimensions help only when the module also passes crop safety, mobile readability, and category-specific product checks.

Common Working Sizes Are Planning Inputs

Many teams prepare around common A+ working sizes before uploading. These sizes are useful for design planning, but Seller Central should remain the final source because available modules and requirements can vary by content type and account context.

Use the table below as a planning aid, not as a substitute for the upload screen.

Module typeCommon working sizeProduction risk
Brand logo600 x 180 pxtiny taglines become unreadable
Header with image and text970 x 600 pxproduct edge or headline gets cropped on mobile
Three-image feature module300 x 300 px eachfeature order becomes confusing when stacked
Comparison chart product image150 x 300 pxproduct silhouette and label are too small
Premium full-width image1464 x 600 pxdesktop layout looks strong, mobile crop weakens the message

The working size is only the container. The module still needs one product point, one visual job, and one mobile-readable message.

Mobile Readability Is the Real Failure Point

Seller production issues often sound like file-format questions. In practice, many A+ modules fail because the design is too dense: small text inside an image, too many icons, low-contrast labels, fine specification tables, or important product details placed too close to the crop edge.

The safest mobile rule is simple. If the module needs a buyer to zoom, the module is not ready. Put long copy in text areas where possible, keep image text short, and avoid turning a product explanation into a poster full of tiny labels.

Before approving any A+ image, review it at three levels:

  • thumbnail scan, where the shopper should understand the topic in two seconds
  • standard phone width, where the headline and product stay readable
  • live PDP flow, where the module still makes sense beside the other sections

Category Rules Make the Checklist More Useful

A generic dimension checklist can keep files technically valid, but it does not tell sellers what to show. Category rules make the page more useful because each product type has different buyer doubts.

For each category, the module should protect the detail buyers actually inspect.

CategoryA+ visuals should emphasizeA+ visual risk
Skincare and beautyroutine order, texture, bottle size, ingredient context, packaging trustoverpromising results, unreadable label text, unrealistic skin visuals
Electronics accessoriescompatibility, ports, cable length, setup, included partsinvented ports, confusing device fit, tiny technical labels
Home and kitchenscale, material, cleaning, storage, countertop fitmisleading size, cluttered lifestyle scenes, weak material proof
Apparel and soft goodsfabric, fit, measurement, color variants, carecolor drift, model distortion, unreadable size guidance
Supplements and packaged goodspackage clarity, usage context, count, flavor or variantmedical implication, label blur, unsupported benefit wording

This is where A+ dimensions connect to product-image work. A beauty product may need a clean bottle closeup plus a routine module. An electronics accessory may need a port diagram and a compatibility chart. A kitchen product may need scale and cleaning context more than a dramatic hero banner.

Build a Safe Zone Before Designing

When a module combines image, headline, icon, and product detail, leave empty space around the product and keep important content away from the edges. A technically correct asset can still fail if the mobile crop cuts off the product, makes text too small, or hides the point of the module.

Use this safe-zone rule before opening the design tool:

  • one dominant product or scene
  • one short headline
  • one supporting phrase at most
  • no small legal or specification text baked into the image
  • no important label, port, measurement, or ingredient near the crop edge

If the module needs more explanation, move that detail into adjacent copy or a separate module instead of shrinking the text into the image.

A Better Module Sequence by Product Type

Many A+ pages repeat the same general structure: hero, feature grid, lifestyle image, comparison chart. That can work, but it often feels generic. A better sequence starts from the category question.

Use these starting points:

Product typeStrong first modules
Skincareproduct identity, routine step, texture or ingredient context, usage caution
Electronics accessorycompatibility, setup, port/detail closeup, included parts
Home appliancecapacity or power cue, use scene, cleaning steps, accessory layout
Apparelfabric closeup, fit context, measurement guide, color variant review
Pet productsize match, owner interaction, cleaning, material safety

This approach reduces overlap with broad A+ workflow articles. The checklist page owns the technical and category planning layer, while How to Use Amazon A+ Content AI can remain the broader process guide.

Where LoomaDesign Fits

LoomaDesign helps before the A+ layout stage by improving the source product image, creating category-appropriate scenes, and keeping assets tied to the SKU. That matters because A+ design problems often begin with weak images, not weak modules.

For a practical sequence, start with AI product image enhancement when the source file is soft, use Amazon Lifestyle Image Generator when the module needs scene context, and use Amazon PDP Best Practices when the A+ section needs to fit into the full PDP image stack.

FAQ

Are Amazon A+ Content dimensions enough to start designing? No. Dimensions prevent some technical problems, but the module still needs a clear shopper question, category-specific visual standard, mobile readability check, and claim review.

Why do A+ modules look weak after upload? Common causes include dense image text, poor contrast, wrong module fit, weak source images, cramped crops, and checking only the editor preview instead of the live PDP.

Should sellers design only at minimum required size? Usually no. Start with clean source assets, design with safe crop space, and export to the module requirement after checking mobile readability.

How many A+ modules should a seller use first? Start with the modules that answer the biggest buyer doubts. More modules are useful only when each one adds proof, context, comparison, or clarity.

Sources and Data Points

Related Resources

Related resources

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Amazon A+ Content Dimensions Category Mobile Checklist