About 321 Plastics | In-House Acrylic Fabrication & B2B Supply
About 321 Plastics (Marketing Holders)
Since 2009, we’ve fabricated acrylic displays and plastic components for businesses that need consistent quality, fast fulfillment, and reliable support. We’re a hybrid shop: inventory-backed for stocked products and made-to-order for custom fabrication.
Quick overview:
- In-house fabrication (not drop-ship only).
- Nationwide shipping across the continental U.S.
- Fast turnaround on stocked website orders (often same day / 24–48 hours).
- Low MOQs + high-volume capability for B2B buyers.
- Cut-to-Size sheet plastics now available.
Start here: Shop all categories • Cut-to-Size • Contact
What we make
We produce a wide range of acrylic and plastic products used in retail, medical/lab, restaurants, corporate offices, and nonprofit/event environments.
- Acrylic sign holders, table tents, wall frames, and display solutions
- Brochure, literature, and business card holders
- Retail displays, organizers, risers, and merchandising components
- Ballot/suggestion boxes, security products, hardware & fabrication components
Prefer browsing by department? Use Shop all categories.
Cut-to-Size (new service)
We’ve expanded into Cut-to-Size plastics for customers who need precise sheet goods without the back-and-forth quoting cycle.
Fabrication methods:
- CNC routing
- Laser cutting (material-dependent)
- Precision saw cutting
Materials include:
- Acrylic sheets (including mirror acrylic)
- PETG
- Polycarbonate
- Plastic core and specialty sheet plastics (project-dependent)
Start an order here: Cut-to-Size Acrylic Sheets.
How we support B2B buyers
- Low MOQs for smaller buyers and testing programs.
- High-volume production capability for repeat purchasing and large runs.
- Inventory-backed fulfillment on stocked items for fast turnaround.
- Made-to-order fabrication for custom parts, sizes, and brand-specific builds.
If you’re sourcing for a business, facility, or multi-location rollout, contact us with material, dimensions, and quantities and we’ll help streamline it.
Shipping speed & expectations
Many in-stock items ship quickly (often same day or within 24–48 business hours). Custom or made-to-order projects require production time and are quoted accordingly.
For timelines and policies, see Shipping & Returns.
Our commitment
- In-house fabrication for quality control
- Clear communication on timelines and constraints
- Consistent build standards for repeat orders
- Packaging that prioritizes safe delivery
Need a recommendation?
Tell us what you’re trying to display, where it will be used, and any sizing constraints. We’ll point you to the right option or material.