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🧲 Elevate your craft game with magnets that stick like your ideas do!
TRYMAG offers 300 high-quality 18mm ceramic magnets with double-sided adhesive backing, engineered for durability and heat resistance up to 300°C. Ideal for crafts, science projects, and industrial use, these corrosion-resistant magnets provide a strong, reliable hold on any smooth surface, backed by ISO 9001 certification and trusted by thousands of creators.














| ASIN | B0C744LH8B |
| Best Sellers Rank | #671 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2 in Science Education Magnets & Magnetism Kits |
| Brand | TRYMAG |
| Brand Name | TRYMAG |
| Color | Black |
| Customer Reviews | 4.3 out of 5 stars 668 Reviews |
| Included Components | magnets |
| Item Dimensions L x W x Thickness | 0.7"L x 0.71"W x 0.12"Th |
| Item Highlight | Sticky Round Ceramic Magnets, Flat Ferrite Magnet for Classroom, Science Education, Whiteboard, Button, Hobbies |
| Item Thickness | 3 millimeters |
| Manufacturer | TRYMAG |
| Material | Ceramic |
| Material Type | Ceramic |
| Model Number | 18x3 300p |
| Number of Items | 300 |
| Number of Pieces | 300 |
| Part Number | 18x3 300p |
| Product Dimensions | 0.7"L x 0.71"W x 0.12"Th |
| Shape | Round |
| Unit Count | 300 Count |
O**E
Just what I need for my project.
I made chalkboard card stock labels for drying herbs in my dehydrator. I needed some magnets that wouldn't cause trouble for the electronic controls on my unit when I placed the labels on the door. And these ferrite style worked out great! Strong enough to hold without damage.
D**D
Small size, STRONG magnet!
I ordered a set of the 3x2mm, they are very very small (3 mm in thickness, 2mm in diameter) but they are very strong! They even stick themselves with the rest of the magnets outside the plastic box when near proximity. I wanted to use this in 3D printing for small parts, and they are perfect. For a size comparison, they are the thickness of 1 Toothpick. Recommended product for small crafting hobbies or 3d printing projects that require magnets.
S**N
These are the best to get
Amazing magnets. I’m on my 3rd order of these. If you like making magnets and crafts, these are amazing magnets. I looked at all of them on Amazon and bought a variety pack first but found I mainly used one size so I just bought a bunch of those. The adhesive backing is very sticky and hasn’t failed me yet.
O**R
Strong enough for holding up papers and some craft applications
I got these to hold some Flic buttons that I didn't want to permanently attach. They work great for that. The magnets stick strong enough to stay in place but not too strong where they're hard to remove. I can see them being fine for holding up papers or thin cardboard but not much more than that. If you buy them for the right application you'll be pleased. If you have unrealistic expectations you will not. I can see how these would be fragile but none of the magnets in my pack were damaged or chipped.
J**M
DO NOT BUY
These magnets are so weak. They could hold up more than 2 pieces of paper. I had to stack more magnets together to gain strength for the generalized purpose. I would not purchase these again.
B**S
Strong magnets and stay in place
Very strong magnets, I make many magnetic bookmarks and these work perfectly. I love that they come with the glue dots to hold them in place.
M**K
Great buy
Works well wife uses them for crafts
D**.
Great for perler beads!
Soo the adhesive part is tedious, however I am glad to say they work well for my perler bead crafts. They can definitely hold up like a photograph or shopping list on your fridge, but maybe nothing more than that, possibly a postcard at most if you use 2 magnets on your craft. I did notice while pressing down the magnets to get the adhesive to work- you may get some black pigment on your fingers so be mindful of that
J**O
Very Weak Magnets. No use for me.
These are just a waste of money. They are less than N20 magnets. 1mm sheets between will lose their grip. I am very disappointed
B**M
Thumbs Up Magnet & Self Adhésive
Just what I needed. Magnet is strong enough for my purposes (but not super strong).
L**T
Exactly as advertised
I bought these (along with 5mm magnets from another brand) to sample which would be best for a project I'm working on. For my very specific craft purpose, I will be going with the other brand, but these Trymag magnets are EXACTLY as described and are totally suitable for home/personal use, and I'll be keeping them to use for that. :) In fact, the Trymag magnets might even be manufactured better, as the other brand had quite a bit of surface damage/knicks/gouges, and the Trymag magnets have significantly less. I measured the magnets and they are exactly as described at 0.70 in. in diameter and 3mm thickness. The magnets are decently strong and have no problem holding up my fridge photos. The magnets could maybe be a little stronger, but I'm not using these for large posters or heavy/thick paper or calendars so I can't really say. They seem good enough for my fridge and kid art. What else can I say? Decent magnet, decent price. Came with a bunch of round adhesive backings which I won't complain about.
J**E
Not as described.
Magnets are weak, contents dirty, ruining the LOOSE adhesives inside. Magnets do not come with adhesives already fixed to magnets, it's a DIY job and the stickers are likely folded and pinched between the loose packed magnets. Therefore rendering half the pack useless. Packaging is an important part of an item, it can affect the overall item quality and usefulness upon delivery. Picture is not accurate for product, they are matte and not polished or smooth, and again DO NOT have adhesives attached.
L**B
Exactly what we needed!
We used these magnets to make our own fridge magnets. They were the perfect size and easy to attach just remove sticker and place. They aren't easy to remove which is a good thing we wanted more of a permanent bond.
Trustpilot
2 weeks ago
2 days ago