The original · Made in the USA
Keep your drink close, help prevent spills, and make more room for everything on your desk.
Trusted by over 100,000 users · Made in the USA
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The 3.4-inch opening fits many cups, bottles, cans, mugs, and tumblers. Three mounting positions make room for mug handles. Check your drink’s width and stability; tumbler capacity alone doesn’t determine fit.
Fits firm desk, table, and shelf edges up to 1.75 inches thick. Soft plastic caps help grip and protect your surface. Tighten snugly by hand without overtightening. See the assembly guide.
Enjoy free shipping on orders within the continental USA and free returns on all standard orders within 30 days. See our shipping information and return policy for details.
A little prevention goes a long way
Keep your coffee, water, or favorite tumbler within reach and away from your keyboard, papers, and projects.
Cup-Holster clamps to the edge of your desk or table, giving your drink a dedicated spot and helping protect your workspace from spills.
See how it attachesThe details that matter
From your first coffee to game night, a little extra room and a secure spot for your drink can make a big difference.
01 / Fit
From coffee mugs and cans to bottles and 20, 30, and 40 oz tumblers, Cup-Holster fits a wide range of drinks. For handled mugs, choose a position that gives the handle clearance.
Drinkware shapes vary, even at the same capacity. Check that your cup fits the 3.4-inch opening and sits securely.
02 / Secure
Attach the adjustable clamp to a firm desk, table, or shelf edge up to 1.75 inches thick. Soft plastic caps help prevent slipping and protect furniture from scratches.
See the assembly guide03 / Everyday
Keep headphones and cords within reach, or use the holder for a cup of pens. Durable, weather-resistant materials are ready for desks, workshops, patios, and porches.
Make room for the good stuff
Game night, movie night, or one more level: keep your drink within reach and off the table so there’s more room for the fun.
Proudly made in the USA by our family-owned business, for the spaces where life happens.
From the Cup-Holster community
See how Cup-Holster fits into real life. Turn sound on to hear directly from our customers.
Take a closer look
Explore the assembly, three mounting positions, and everyday uses. Select a detail to see it in motion.
Watch the clamp and holder come together. Then choose a stable desk edge and tighten the clamp by hand.
Full assembly guideMorning to midnight
First coffee. Deep focus. One more level. A place for your drink, through every part of your day.
Find your everyday colorOver eight years of everyday proof
From the first coffee of the morning to the last computer game at night, Cup-Holster has earned its place. Read what customers are saying on Amazon, eBay, Etsy, and Walmart.
A few good questions
A few practical details about fit, assembly, and everyday use.
Read the assembly guideThe holder opening is 3.4 inches across. It fits many mugs, bottles, cans, and 20, 30, and 40 oz tumblers, but sizes vary by design. Check the width of your cup where it sits in the holder before ordering.
The adjustable clamp fits a stable desk, table, or shelf edge up to 1.75 inches thick. Tighten it snugly by hand without overtightening.
Yes. The open-sided holder accommodates many handled mugs. Choose the left, right, or center mounting position to give the handle room, then check that the mug sits securely.
Yes. Cup-Holster is made from durable, weather-resistant materials for everyday use indoors or outdoors, including patios and porches.
The clamp can also help keep headphones and cords within reach. You can use the holder for compatible cups of pens and other small essentials.
Cup-Holster is proudly made in the USA by our family-owned business.
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For teams, gifts & businesses
Outfitting a team, stocking your store, or planning a useful gift? Contact us about a team project or explore a custom logo.
The original Cup-Holster