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Flat-Rate Shipping
Simple rates. No surprises
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Cut to Size
Exact dimensions. Fast turnaround.
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Trusted Since 2009
Serving businesses nationwide
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Volume Discounts
Better pricing at quantity.
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19"W x 15"H Splash Guard with Feet Acrylic Sink Barrier
Regular price $35.11 USDRegular price$0.00 USDSale price $35.11 USD -
Acrylic Bin with Lid for Organizing Products and Supplies
Regular price $34.94 USDRegular price$0.00 USDSale price $34.94 USD -
Medical Glove Box Dispenser Storage Bin
Regular price From $19.23 USDRegular price$0.00 USDSale price From $19.23 USD -
Acrylic Test Tube 9 Compartment Organizer
Regular price $87.13 USDRegular price$0.00 USDSale price $87.13 USD
Built for Clarity. Designed for Business.
321 Plastics provides reliable, high-quality acrylic and plastic solutions for professional environments — helping businesses display, organize, and perform with confidence
Cut-to-Size Acrylic
Cut-to-Size Acrylic — Now Available
Exact dimensions. Fast turnaround. Clean, precision-cut edges shipped to your door.
Choose material, enter size and quantity, and we’ll handle the rest.
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TRU-VU 8.5"W x 11"H Sign Sleeve with Trifold Brochure Slot
Regular price From $4.30 USDRegular price$0.00 USDSale price From $4.30 USD -
12 Pair Spinning Eyewear Display Holder Retail Countertop Stand
Regular price $33.89 USDRegular price$0.00 USDSale price $33.89 USD -
Hexagon Display Case Rotating Locking Cabinet
Regular price $91.30 USDRegular price$0.00 USDSale price $91.30 USD -
5.75"W x 8.75"H Locking Ballot Box Black Donation Bin with Sign Holder
Regular price From $25.74 USDRegular price$0.00 USDSale price From $25.74 USD -
11" x 17" Graphic Frame Image Poster Display Hanging Signboard
Regular price $99.99 USDRegular price$99.99 USDSale price $99.99 USD -
10" x 15" x 13.5" Bakery Pastry Display Case with 3 Trays
Regular price $102.05 USDRegular price$0.00 USDSale price $102.05 USD
Marketing Holders
4"W Takeout Menu Display Trifold Brochure Holder Slant Back
Acrylic Insights
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Acrylic vs. Glass: Why Acrylic is the Safer Choice
Acrylic versus Glass: Why Acrylic Is the Safer Choice When you’re staring down a home reno, a custom display, or a cracked golf cart windshield, the decision usually comes down...
Acrylic vs. Glass: Why Acrylic is the Safer Choice
Acrylic versus Glass: Why Acrylic Is the Safer Choice When you’re staring down a home reno, a custom display, or a cracked golf cart windshield, the decision usually comes down...
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Acrylic Sheet Thickness & Tolerance: What Buyer...
Consumer guide to acrylic sheet thickness and tolerance: know how sheet specs vary, what affects fit & finish, and how to pick the right material for signage or display holders.
Acrylic Sheet Thickness & Tolerance: What Buyer...
Consumer guide to acrylic sheet thickness and tolerance: know how sheet specs vary, what affects fit & finish, and how to pick the right material for signage or display holders.
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How Thick Is Our Acrylic?
Thickness isn’t just a spec on paper — it’s what decides whether an acrylic piece feels cheap or feels solid. Marketing Holders uses consistent, industry-standard acrylic thicknesses across their entire...
How Thick Is Our Acrylic?
Thickness isn’t just a spec on paper — it’s what decides whether an acrylic piece feels cheap or feels solid. Marketing Holders uses consistent, industry-standard acrylic thicknesses across their entire...
