YOU ARE BUYING CLIP - ON LIGHT GLOW STICKS FLUORESCENT SIZE LARGE 10 PACK. L (fits rod tip 2.7-3.2 mm) UP TO 12 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: L (fits rod tip 2.7-3.2 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. Visit my EBAY store