Product materials: metal; product size: length 39mm (1.53 inches) height 13mm (0.51 inches) notification 1. Display different graphics on different displays, The picture is for reference only, and the actual product should occupy the upper hand. 2. The size of the product is manually measured. There are certain errors, please understand. 3. If you have any questions about this product, please contact us, we will answer it for you. 4. If you buy the product, we will transport you as soon as possible. 5. The product is processed, and there is a slight processing mark on the surface. If you mind, please don't order This magnetic slider is made of metal and the surface is electroplated, so it is very smooth and feels more comfortable.If you are a lover of EDC toys, this cool slider is for you! Great toy for irritability, anxiety, concentration, ADHD, autism, quitting bad habits, with fussy toys you will be able to curb unwanted habits like nail biting and smoking. Your boring time will pass quickly and when you are alone, you will have a lot of fun. Many people have successfully broken bad habits with this fun and cool fidget toy.