“Always Know what line is on your reels” Highly visual and durable UV coated. Select from Mono – Spectra (Braid) – Freshwater – Heavy – and a Mix pack that has all 4 types on one sheet. Just added – Super Heavy – 100# to 600# for the Big Boys and leader. They will stay on as long as you want and comes off clean. OneCoolTuna Line labels are the best you can get. The number one “Fishing Line Labels” for over 20 years. Tested and used by the San Diego Sportfishing fleet.