CHUNNIAO 3/4" 80mil Magnet 144PCS Adhesive Magnetic Squares
Product description
Each pre-cut magnetic square measures 3/4" x 3/4" and is 80 mil thick. One side has a self-adhesive backing for attaching the square to paper items, the other is magnetic for use on an iron surface. The 144-piece pack is intended for lightweight items such as cards, pictures, and posters, making it relevant for classroom displays, family projects, or simple organization at home or work.
The pieces arrive cut into squares, so there is no strip to measure or trim for each item. The stated limitation is important: these magnets are for paper and other lightweight projects, not heavy objects.

Practical tips
To make a magnetic card or poster, peel off the backing and attach a square to its reverse side, then place it on an iron surface. For classroom materials or a rotating display, the pre-cut format can be handy when you want to prepare several items without cutting magnet tape. The same approach can work for lightweight notes or picture cards around the home or office.



Plan the placement before sticking a square to an item, particularly if you want it to sit level or use more than one magnet. The product is not described as suitable for heavy projects. Buyers also report mixed results with adhesive hold and magnetic strength, including some who say the adhesive does not hold well on walls. Treat it as a lightweight display solution rather than a substitute for a stronger mounting method.
Key specifications

- Brand: CHUNNIAO
- Format: Pre-cut adhesive magnetic squares
- Size: 3/4" x 3/4" per square
- Thickness: 80 mil
- Material: Flexible rubber industrial magnets
- Color: Black
- Quantity: 144 pieces
- Intended use: Cards, pictures, posters, and other lightweight items
What stands out



The main practical distinction is the combination of a small, ready-to-apply square and an adhesive side: this is simpler for individual paper crafts than buying magnet material that still needs to be cut. The magnetic side is intended to attach to iron surfaces, while the adhesive side lets you turn paper items into magnets. It is a focused format, not a general-purpose mounting product.
Buyer feedback reflects that use case but is not uniform. Some purchasers appreciate the size and thickness for classroom materials and fridge displays, while opinions on magnetic strength and adhesive performance are mixed. Reports about durability also vary, including concerns about wall damage. Since wall adhesion is not assured by the product details, an iron surface and lightweight paper item are the clearest match.

It suits you if you need a multipack of small squares for paper-based crafts or classroom displays. If you prioritize holding heavier objects or need dependable attachment to a wall, a mounting product designed for that job would be a more appropriate approach.
Questions before you buy



What can these squares be used for? They are described for cards, pictures, posters, notes, and other lightweight items that you want to place on an iron surface.
Do they need to be cut to size? No. The pack contains pre-cut 3/4" x 3/4" squares with adhesive backing.
Are they intended for heavy objects? No. The product details specify paper and lightweight projects, not heavy projects.
Final verdict
This pack makes sense when the goal is to add magnetic backing to multiple lightweight paper items without cutting a roll or strip. Its 144 pre-cut squares and 80 mil thickness define the format, they do not make it suitable for heavy-duty mounting. Choose it for cards, posters, or classroom materials used on iron surfaces, and look for a different solution when the item is heavy or needs reliable wall attachment.
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