These X AUTOHAUX reflectors are such an easy way to make your vehicles and property safer at night! You get 10 red round reflectors in the pack, each measuring 2.2 inches in diameter - perfect size for sticking on bike spokes, gate posts, trailers, motorcycles, trucks, boats, and pretty much anything else that needs better visibility. The self-adhesive backing makes installation super simple - just peel off the protective paper and stick them wherever you need some reflective power. No tools needed, no complicated installation, just stick and go. They're made from durable ABS plastic that can handle hot summers and cold winters without fading or cracking. The reflective surface really catches headlights and other light sources, making your bike or property much more visible to drivers in low-light conditions. Whether you're a cyclist who rides at dusk, someone with a long driveway, or just want to make your trailer more visible on road trips, these little reflectors provide serious safety benefits for such a small investment. They're one of those simple safety upgrades that could actually prevent accidents.