Glow in the Dark Jam Plugs for Quad Skates (STAR)These jam plugs glow in the darkjust remember to charge them in the sunlight! The longer they charge, the brighter theyll shine. They are available in a standard size (5 8"), compatible with most quad skates. Note: These plugs are not compatible with Impala or Chaya Melrose skatescheck out my other listings if you have those models! Sold in pairs, theyre perfect for dancing without the bulk of a traditional brake, giving you freedom to move with ease.