PVC , size: 15x3cm. Highly reflective at night and highly visible in the day strongly enhancing your . Can be hanged on pull of jackets, backpacks, bags, purses, strollers, wheelchairs, keys, wagons,. Muti-color for your option: yellow/light blue//pink & red/ blue/red/silver/gold/. Package includes: 1x Reflective Keychain