Skybond Is the new improved Version from the 1980s That has a Neon Yellow Coating which uses a polmer-alloy that bonds to the fibers.This amazing new coating allows "high modulus" fiber that is stronger and lighter than a fiber with lower modulus ratings.Skybond has the highest modulus rating of any kite line we've tested.100lbtest skybond line is thinner than 90lb/test spectra But 10% Stronger .Try some today Available in 100lb ,175lb,225lb ,300lb Dual line sets all Precision Measured Presleeved.