Features:20 Pcs Disposable Glow StickThese are very bright and last a number of hours.These Glow Sticks are ideal for all types of fishing and have numerous uses including Fishing rod tip lights， Bite alarm lights， Fishing float attachments and great to use to attract fish.Description:Length: 38mmDiameter: 4mmWeight: Around 10g every 4 pcsGlow Time: About 2 hoursColor: Yellow， Green， Blue， Purple， OrangeHow To Use:Just bend and swing the sticks， the liquid inside will immediately mixed， then generate light gradually.Tips:This item is used in dark environment only.The glow sticks are one-off， please dispose properly.Package Included:4 x Yellow Glow Stick4 x Green Glow Stick4 x Blue Glow Stick4 x Purple Glow Stick4 x Orange Glow Stick