Mainframes are lightweight, disposable, flameproof fiber color frames that can be closed with a staple in seconds. By using Mainframes, the color frames for an entire production will weigh very little and cost very little.
FEATURES
• Lightweight, flameproof, black fiberboard color frames
• Simple, safe and inexpensive
• Secures with a single heavy-duty staple
• Available in a wide range of sizes
Note: The Mainframes fiber material is flameproof and
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