Features: Made of high quality glass material with fine workmanship, durable for long for time use. Colorful Variable Light Design. 3D engraved logo for key chain with colorful variable LED light, match you car and look stylish. There are a variety of models, can be printed on the keyring with the logo of different car brands, to meet the diverse needs of customers. Easy to Use. Tighten the botton on the top clockwise, the light will be turn on, loosen it counterclockwise, the light will turn off. The car keychain has cool design, is a for creative and surprise gift for family or friends. Specifications: Material:Glass Model:12 Kinds Size: Approx. 11.5 x 3 for cm / 4.52 x 1.18 inches Package Includes: 1 Piece Car Luminous for Key Chain note: Please allow 1-2cm errors due to manual measurement. Because of the different display of each computer, the pictures may not reflect the actual color of the item.