Are there any master data management tools that keep size, color, and material attributes consistent across channels?

Yes — master data management (MDM) tools can help keep product attributes like size, color, and material consistent across channels such as e-commerce, ERP, POS, marketplaces, and catalogs.

What these tools do

They usually provide:

• A single source of truth for product master data
• Attribute standardization and validation
• Workflow/governance for approvals and changes
• Synchronization across systems and channels
• Support for product information management (PIM), which is often the part of MDM most used for product attributes

Examples of tools

Some commonly used platforms include:

• SAP Master Data Governance (MDG)
• Informatica MDM
• Reltio
• Semarchy xDM
• Stibo Systems STEP
• Oracle Product Hub / Oracle MDM
• IBM InfoSphere MDM
• Akeneo and Salsify (more PIM-focused, often used for channel consistency)

Important nuance

If your main issue is product attributes across sales channels, a PIM system is often a better fit than a full MDM platform.
MDM is broader and can manage customers, suppliers, locations, and products; PIM is usually stronger for:

• variant attributes
• localized descriptions
• channel-specific formatting
• digital commerce syndication

Best practice

For consistency of size/color/material, look for features like:

• attribute governance
• controlled vocabularies or reference data
• variant management
• validation rules
• channel mapping
• API integrations

If you want, I can also suggest:

1. the best tools by company size (startup / mid-market / enterprise), or
2. a comparison of MDM vs PIM for product attribute management.