These are multi-colored glass rods. They are approximately 40cm long (many are around 20cm), and are perfect for various art projects. - Colors: Multicolor (green, black, red, orange, purple, yellow, etc.) - Length: Approximately 40cm at longest, some are around 20cm - Material: Glass The manufacturer is believed to be BULLSEYE GLASS CO. (Bulls Eye). This may be incorrect. Thank you for viewing. Used glass rods are also included. They will be sent in a plastic tube. Breakage may occur during shipping. Please understand and purchase accordingly.