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Adams hold a PhD in Suction Cup-Ology.

Visit our home page to see our range and why companies choose Adams.

Beware of inferior Chinese rip-off fake copies under different brand names.
Only Adams are the original and genuine best everyday suction cups on the market. They have been made 100% in the USA for over 40 years and exclusively distributed in the UK by Suction Cups Direct and our re- sellers since 2003.

Patents, trademarks and copyright features of Adams products are strictly protected by law and any infringement is always vigorously defended by legal action.

Adams have led the way in developing exclusive materials, moulds and processes over the last 40 years with extensive R&D. During that time, they have developed a deep understanding of how gravity, atmospheric pressure and surface irregularities affect performance dynamics.

Adams skilled design engineers are committed to looking at suction cup performance down to the molecular level. These insights are then applied to the design and in the manufacturing process at exacting tolerances to ensure consistent quality at every stage of the suction cup production process.

Adams Suction Cups - 10 superior features
not found with others

Giant suction cup wreath hanger

1. Safety in strong sunlight.
Adams groundbreaking Light-Diffusing Ring technology prevents surface damage. Light diffusing rings stop a suction cup acting like a magnifying glass in strong sunlight. Ordinary clear suction cups concentrate light to a focal point which can damage interior surfaces behind the cup such as upholstery, curtains, car seats and dashboards.

suction cups focasl

2. Holding power.
Due to thicker cross sections and superior finished moulded surfaces, Adams suction cups are tested and rated to hold a weight* that is based on the mm diameter of a suction cup with hook on glass.
suction cups weight

22mm - 0.22kgs (0.5 lbs)
32mm - 0.45kgs (1 lbs)
47mm - 1.36kgs (3 lbs)
64mm - 3.2kgs (7 lbs)
85mm - up to 5.5kgs (12 lbs)
85mm - Heavy duty double suction hook - 9 kgs (20 lbs)

*A screw-in fitting, push in fitting or slot head may lower the holding weight of an attached product due to:-
i. it's reliance on the thread made in the PVC
ii. the grip of the push in attachment within the cup
iii. the closing jaws of a self closing cup.

Weight ratings are given as a guide to the suction cup adhesion strength and is based on suction cups with hooks which hang close to the fixing surface and applied to clean, dry, flat glass. Any item that hangs a distance from the fixing surface will be subjected to the "lever"effect and that force will lower the weight rating of the suction cup when applied.

Fix suction cups dry, indoors or outdoors, to a clean, flat, smooth, glossy, slick/shiny, non-porous, non-textured surface like glass, mirrors, glossy plastic, plain glossy glazed ceramic tiles, car bodywork etc. To remove or re-position, lift the quick release tab on the side of the cup. For best results, the surface should be above 5 C when applying.

Surfaces like shower panels and tiles may have soap or cleaning product residue on the surface which needs to be removed with alcohol. Proprietary glass cleaners can leave aresidue which affects adhesion. De-grease any application area and then clean with a mild detergent, rinse and dry.

The suction cup may need to be"burped" periodically by pressing down on it to remove any air that may have seeped in. Thoroughly test items in use within their working environment to ensure the suction cups are suitable for theirapplication.

3. Crystal clear clarity for professional looking suction cups. Adams suction cups will not turn yellow, deteriorate or lose adhesion over time like many cheap inferior ones found elsewhere.

4. Phthalate-Free
phthalate free suction cups
Adams Manufacturing Corp. USA are over 95% into a rolling production change using their own PVC formula for their Phthalate-free suction cups. Adams was the first global manufacturer to do this for their whole range as standard.

5. Exclusive UV stabilised proprietary PVC material.

6. Hold better for longer than other everyday suction cups due to thicker cross sections, advanced design engineering/R&D and superior-quality U.S. sourced materials.

7. Quick release tab on suction cup edge.
Using fingernails underneath the suction cup edge to remove, will cause tiny scratches on the inside and will damage the cup edge. Air can then flow back under the suction cup and ultimately compromise the cup's suction ability.
Adams quick release tab (except double sided) removes the suction cup without damage to the cup or mounting surface.

8. Wide temperature range.
Use indoors and outdoors. Temperature and humidity variations may make a suction cup lose its grip.
Adams suction cups will hold between temperatures of:-
MINUS 29C (-20F) and +49C (120F), but should first be applied dry above 5C (40F).

9. Adams Suction Cups with screw stud have brass nuts - not plastic ones as seen on cheaper versions elsewhere.

10. Adams strong hooks are "U shaped" for brush-past safety and not "V shaped" like many others. Adams strong hooks are thick plated steel or non-brittle clear Polycarbonate.

No levers or other locking devices required with Adams strong suction hooks.

Adams larger everyday suction cups do not need a snap lock/lever or any other type of turn screw knob device at the front to make them grip. Adams suction cups are firmly pushed on by hand and the job is done.

Adams suction cups hold better than an equivalent size of a "snap lock" lever type suction cup. Snap lock levers and turn knob devices pre-load the cup by using the mechanism of attaching the cup to the lever or knob within the casing of the device.
This results in a greater pressure differential between the outside and underside of the suction cup and can allow the air to migrate faster as it relies on the suction cup edge only for a seal - the lever/turn knob suction cup is continually trying to be pulled away from the applied surface.

Adams suction cups lie completely flat and restful with their total surface area behind the suction cup (including the edge) acting on the glass.

Suction Cup finish and odour.

Suction cups work best when the inner surface is perfectly smooth and without the tiny irregularities caused by large vinyl molecules evaporating off the surface. Those evaporating molecules can be sensed by smell. The quality of a suction cup therefore, is directly proportionate to how much the suction cup's odour is sensed.

Suction cups that "smell" are literally losing their ability to hold molecules as they leave the inner surface. Adams suction cups are made of a proprietary blend of materials that keep them working better and longer than any other cup. A related issue is the appearance of the inner surface. Adams cups are shiny on the underside because any matt finish or insufficiently polished mold automatically means that air is going to leak in through the seal, causing cup failure. The laws of physics being what they are - any suction cup with less than a glossy finish on the underside, around the edge and extending into the cup, simply cannot stick as well.


Adams Mfg. Corp. USA produces the best quality everyday suction cups that will not yellow, deteriorate or lose adhesion over time. They've made hundreds of millions (have they made a billion?) of them over the past 40 years.
Often imitated but never duplicated - no other suction cup on the planet delivers the holding power, crystal-clear clarity, unsurpassed safety or value of Adams "Made in USA" Suction Cups.

The following are patents protecting the Adams Mfg. Corp. line of innovative products. Adams Mfg. Corp. patents are protected under United States and international law and will be vigorously defended if infringed upon.
D405,681 - D406,383 - D406,788 - D407,235 - D408,725 - D413,788 - D416,788 - D421,211 - D421,565 - D423,329 - D440,070 - D461,968 - D477,528 - D477,775 - D477,987 - D477,988 - D492,890 - D509,970 - D545,183 - D546,170 - D552,457 - D552,458 - D552,463 - D555,401 - D555,942 - D563,685 - D578,383 - D583,525 - D607,223 - D608,624 - D609,556 D621,694 D655,221 D639,700 D661,178 - 1,675,130 - 1,804,273 - 1,831,212 - 1,839,448 - 1,923,435 - 2,254,216 - 2,293,703 - 2,679,358 - 3,339,265 - 3,371,984 - 3,377,272 - 3,447,935 - 3,452,296 - 3,654,562 - 3,721,745 - 3,802,594 - 5,402,974 - 5,413,297 - 5,414,911 - 5,419,527 - 5,433,413 - 5,531,411 - 5,535,971 - 5,538,254 - 5,601,272 - 5,607,131 - 5,667,174 - 5,725,193 - 5,938,168 - 5,992,806 - 6,027,228 - 6,065,899 - 6,131,865 - 6,328,459 - 6,349,514 - 6,352,229 - 6,360,899 - 6,430,891 - 6,443,074 - 6,491,271 - 6,497,396 - 6,497,498 - 6,543,905 - 6,641,895 - 6,644,836 - 6,666,151 - 6,681,451 - 6,682,138 - 6,715,429 - 6,826,811 - 6,854,610 - 6,857,247 - 6,869,053 - 7,159,353 - 7,182,304 - 7,185,864 - 7,207,088 - 7,401,854 - 7,685,780 7,837,162 8,262,393 8,312,674