Blue spoke reflectors! For bicycle spokes! Reflects light to prevent traffic accidents. - Model Name: Spoke Reflector - Color: Blue - Materials: ABS resin, PVC - Size: Compatible with 1.8mm-2mm spokes I received these at a cycling event, but I don't need them, so I'm selling them. I will ship via Rakuraku Mercari within the same day at the earliest. Thank you for looking.