high quality professional replacement for your yo-yo.Long enough for all playersWorks with all Yo-Yos, Especially for Trick1A,3A,4A,5AManufacturers generally recommend changing after about 30 minutes of play time, or if becomes frayed. Non-bearing yo-yos will wear out quicker.Compatible with clothing, dress, home textiles, diy decoration, etc. Yo-yo string should be changed periodically if becomes frayed.: 25 PiecesProduct weight: 60 g For use under adult .colour:Random ColorRandom colors cannot be Material:Polyestersize:Product size: single: 115cmPackage Contents:25x Yoyo StringsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm."