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Advantage
Keep Fresh: The pressure-sensitive seal which is made of polystyrene foam material effectively avoids dust, moisture and dirt into the jar and prevents leaks and odors in the bottle so that it can keep the dry or powder products fresh at all times. In addition, it can protect your products from tampering securely.
EASY to USE: No induction sealers or heat shrink bands needed with these liner seals. No tools required. This foam seal peels easily from the container When you need to open.
Application
Foam lid liners are coated with a torque-activated coating, after tightening the lid, they can be adhesive to glass, plastic and metal jars, as well as round containers with metal or plastic lids and closures.
Instruction
1. Keep the cap where the seal needs to be attached clean, make sure there are no water spots and oily residues;
2. Put the lettering side of the seal into the cap and apply a little pressure to attach it tightly;
3. Finally, Screw the lid on as tightly as you possibly can, the seal is activated by the pressure of applying the lid and will adhere within 12-24 hours (No Strong Stickiness).
Note
1. Once the seal is removed, the tightness will be affected when reused.
2. These pressure-sensitive liners are best used with powder or dry products, not suitable for applications containing oil; Avoid overfilling the container.
3. It is recommended to wait enough time before removing the cover after installation.
4. These PS foams are not suitable for use at high temperatures.
Kristista
2025-08-03 19:45:36
I purchased these for some sunscreen ‘hidden’ flasks that I purchased to bring alcohol on board my cruise. When you add these to the top of the flask and screw the flask lid on, the suction creates a bond and believe me, the people that search your luggage on the cruise will Not attempt to take this foam lid off. In fact, it also serves a double purpose in keeping the flasks frol leaking. I have used these on 2 cruises now and they always work great!!!
justin
2025-07-14 12:03:36
They work great
Barbara
2025-07-08 20:32:56
They work good when you have the right size.
John McCloud
2025-07-07 19:30:55
Half the bag of pressure seals are stuck together tearing when trying to separate them...not worth the money
lizbeth vazquez
2025-06-28 16:09:45
Love these..perfe t fit...we buy a lot for our spices.
EM
2025-06-04 12:25:08
Great project for wax
Jess Richmond
2025-04-29 18:33:50
Measurements are wrong and I’m not paying to return them. Don’t buy.
Jodi-Mill
2025-04-23 15:55:29
Fits perfect on my 4 Oz bullet bottles
Corina L.
2025-04-06 10:40:12
these give a nice tight seal. You just place on the container and tighten the lid, the pressure from the lid seals the jar and leaves it tight and secure.
Zey
2025-03-08 16:40:00
It doesn't stick at once, most of them are sticked togher.
James
2025-02-20 09:33:04
Very odd that it does not stick to the top of the container/bottle despite having it pressed. I think this is only good for a basic seal if you don't really care if it opens or not, but if you want professional look or ensure it does not open. I'd recommend searching elsewhere.
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