SKU: 77017762680

RL04 | Regular Length Natural Tapered Cork Stoppers

Sale price$33.08 Regular price$36.75
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Ships within 48 hours · Estimated delivery Aug 31 - Sep 5

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Description

RL04 | Regular Length Natural Tapered Cork StoppersRL04 tapered corks are medium natural cork stoppers made from 100% sustainably harvested cork, designed to seal medium openings with a secure, reliable fit. The tapered profile wider at the top, narrowing toward the base allows a single stopper to accommodate a range of opening sizes, making them exceptionally versatile across applications. Natural cork compresses slightly on insertion, creating a snug seal without adhesives or tools, and its inherent

RL04 tapered corks are medium natural cork stoppers made from 100% sustainably harvested cork, designed to seal medium openings with a secure, reliable fit. The tapered profile — wider at the top, narrowing toward the base — allows a single stopper to accommodate a range of opening sizes, making them exceptionally versatile across applications. Natural cork compresses slightly on insertion, creating a snug seal without adhesives or tools, and its inherent flexibility means it conforms to minor variations in the opening. Whether referred to as end plugs, masking plugs, or hole fillers, these stoppers deliver dependable performance across every use. Each RL04 stopper measures 5/8in (15.9mm) at the top diameter, 15/32in (11.9mm) at the bottom diameter, and 13/16in (20.6mm) in length. Perfect for sealing glass and ceramic jars, medium containers, test tubes, laboratory vessels, construction holes, masking applications, craft projects, science applications, and any industrial or commercial use requiring a reliable, natural plug.

Why Choose RL04 Tapered Cork Stoppers?

  • 100% natural cork construction provides a compressible, self-sealing fit without adhesives or hardware
  • Tapered design fits a range of opening sizes — one stopper works where rigid plugs would require an exact match
  • Naturally sustainable and biodegradable, making them the environmentally responsible choice over synthetic rubber or plastic plugs
  • Suitable for food-contact, laboratory, and industrial environments where a clean, inert seal is required
  • Available in bags of 100 for small-scale or craft use, or cartons of 5,000 for commercial and industrial volume
  • Consistent sizing across the RL range makes it easy to step up or down to adjacent sizes as needed

RL04 tapered corks outperform synthetic rubber and plastic plugs by combining natural compressibility with sustainable sourcing for a seal that's reliable, clean, and kind to the environment.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 77017762680

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Eliot
Phoenix, US
★★★★★ 5
👍🏻
Color: Black, Army Green, Light Gray, Size: 5X-Large
Weirdly thick material, I wasn’t a fan but it’s a good sleep shirt
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Reviewed in the United States on May 28, 2026
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Dr. DeeJaye
Boise, US
★★★★★ 5
Just what I wanted.
Color: Black, Navy Blue, Wine Red, Size: 5X-Large
These may have just become my standard shirt to wear. Feels good whether tucked or out. Drapes well and fits well. So far, I can see it adjust to the different undershirt I may wear. Will probably order another set in other colors and a back up set of the basics because they will get worn a lot.
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Reviewed in the United States on July 17, 2025
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Chloe
Draper, US
★★★★★ 3
Its alright
Color: Black, Size: 5X-Large
True to size per the size chart. The fabric is soft but it it feels cheap to me. It attracts lint but you can brush it off easily so its not the cheapest material I've dealt with. Also, it is opaque (not see through). There is no front/ back indicator either which is indicative of a cheap shirt in my opinion. Would be friendly for tag sensitive people (to stay positive).
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Reviewed in the United States on April 14, 2026
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Amazon Customer
Whiting, US
★★★★★ 5
Fit and colors are perfect
Color: Black, White, Apricot, Size: Large
They fit very well, I got them for my husband and he was very excited for the style & fit i am actually going to buy him another pack
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Reviewed in the United States on October 7, 2025
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ChilledOut
Draper, US
★★★★★ 1
Fuzzballs get wearing once
Color: Black, Size: X-Large
Very smart to wear, but the quality is terrible so after one wash the collar start fraying and fuzzballs start forming. Very disappointing.
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Reviewed in the United States on June 2, 2026

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