high quality professional replacement for your yo-yo. Long enough for all players Works with all Yo-Yos, Especially for Trick1A,3A,4A,5A Manufacturers generally recommend changing after about 30 minutes of play time, or if becomes frayed. Non- 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 Pieces Product weight: 60 g For use under adult . colour:Random Color Random colors cannot be Material:Polyester size:Product size: single: 115cm Package Contents: 25x Yoyo Strings Only 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.