Protect your helmet: The ox horn helmet decoration is made of high quality high stretch rubber, which has enough softness and elasticity, so don't worry the ox horn will damage your helmet Easy to install: Simply place an ox horn on a smooth helmet, press it for 10-30 seconds and the ox horn will stick to the helmet (note that the ox horn only works on smooth helmet surfaces) Non-toxic and tasteless: We deeply understand that products made from inferior materials have a very unpleasant taste and emit toxic substances, which are very harmful to the human body. Our products are made of NR natural rubber and have passed BSI product safety certification, absolutely guarantee your health Multi-purpose: Not only can the horns be put in different shapes on the helmet, you can even use it on the bicycle handlebar, electric car head, car heads and motorcycle heads Contents of packing: 4pcs ox horn, size: 6.9cm x 3.9cm