YOU ARE BUYING CLIP - ON LIGHT GLOW STICKS FLUORESCENT SIZE MEDIUM 10 PACK. MEDIUM (fits rod tip 2 - 2.26 mm) UP TO 10 FT LONG RODS. 10 RETAIL PACKS 2/PACK = TOTAL 20 LIGHT STICKS. INSTRUCTION ON BACK OF THE PACKAGING. GREAT FOR NIGHT FISHING, ICE FISHING, BOTTOM FISHING. Brand New! Fishing light sticks rod clip-on powder fluorescent . Shape: clip-on Size: M (fits rod tip 2 - 2.6 mm) Color: Kelly Sparkle time:12 - 16 hours Quantity: 20 pcs / 10 packs (2 pcs in one pack) Pass the TUV Test , DBP FREE Strong point: it is a really smart design more convenient to use, very easy to clip on and off, firmer and never fall off. Gently bend in few places until you hear snap and shake well to mix ingredients. Visit my EBAY store