Vnfire A Pair of LED Shoelaces Light up Shoe Laces with Continuous and 2 Blinking Modes for Party Disco Dancing Hip-hop Skating Running Cosplay Decoration plastic Two light emitters and two 32" fiber optic laces included in a single set 3-Mode Function - Solid, Slow Blink, Fast Blink Suitable for any kinds of shoes, such as running, skates, dancing, basketball, football sports shoes, boots, children shoes, casual shoes and so. Powered by CR-2032 Batteries (included), lasted for 70 hours Waterproof, washable, durable and safe