Package Include--You will get 30pcs round badges including numbers 30-60, they have white numbers on a black background on the front and come with a pin on the back, enough to cover your daily needs wellSuitable Size--The diameter of this set of round number pins is about 49mm/1.9inch, the thickness is about 6.5mm and the pin spacing is about 0.7mm, the suitable size does not take up much space and is very conspicuousReusable Tag--With a pin design on the back of this number badge, it is very easy to put on or take off, and it is reusable, which can prevent you from buying extra number badges over and over againPlastic Material--Our this number badge is made of plastic, waterproof and not easy to damage, the included pins are firmly connected and not easy to fall off, the numbers are printed clearly, you can use it with confidenceWide Application--This number tag is widely used, you can use it for various sports events or organising outdoor activities, you can pin it on clothes, backpacks and anything else that needs to be labelled with a number tag